Ontario

Using the table below, you can sort and filter the union halls.

Click on the headers to sort the table. Click the “Town” heading to sort by web address, the “Call Letters” heading to sort by the call letters, the “Full Name” heading to sort by the full name, the “Local Name” heading to search by local name, the “Notes” heading to sort by notes, and the “Web Site” heading to sort by web site link. The first time you click the sorting direction is ascending (A through Z). Click again, and the sorting direction is descending (Z through A).

To filter the results, type in the search box. As you type, only the relevant results will remain in the table. To see all results again, simply clear the search box.

To change which columns are visible, click the “Column visibility” button, and then click a button from the list (which drops down) to alternately remove or replace the corresponding column. If you see a green circle with a plus symbol (+) inside, you can click on that to see even more data.

To visit any union site, simply click on the address in the “Web Site” column, and the corresponding page will open. To find out more about any union (such as membership size, financial information, and so on), simply click on the address in the “More Info” column, and the corresponding information page will open.

We strive to keep this list as updated and accurate as possible, so if you can provide more complete and updated information than you find below, please contact us at [email protected] with the subject heading “Union Hall information”, and we’ll be glad to add that information.

Return to the main Canadian Union Halls page here, or by using your browser’s back button.

Town	Call Letters	Full Name	Local Name	Notes	Web Site
Ajax	CUPE	Canadian Union of Public Employees	Local 54	Represents about 100 inside and outside workers in the Corporation of The Town of Ajax.	http://www.cupe54.com/
Ajax	IAFF	International Association of Fire Fighters	Local 1092
Ajax	IAMAW	International Association of Machinists and Aerospace Workers	Lodge 905	Representing employees of Messier-Dowty Toronto and Cametoid Ltd	http://www.iamaw905.ca/
Ajax	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 1090	Representing employees of Chrysler, Lear, Ryder, Sobey's, BBI and Securitas	https://unifor1090.ca/
Arnprior	IAMAW	International Association of Machinists and Aerospace Workers	Local Lodge 1542		http://ll1542.goiam.org/
Aurora	CUPE	Canadian Union of Public Employees	Local 1196	Represents custodians at the York District School Board
Aurora	CUPE	Canadian Union of Public Employees	Locals 2331-01-02	Representing Support Staff at York Catholic District School Board
Aurora	ETFO	Elementary Teachers' Federation of Ontario	York Region - Occasional Teachers' Local		http://etfo-yr-ot.ca/
Aurora	ETFO	Elementary Teachers' Federation of Ontario	York Region Teacher Local		http://etfo-yr.on.ca/
Bancroft	OPSEU	Ontario Public Service Employees Union	Local 356
Barrie	CUPE	Canadian Union of Public Employees	Local 1310	Represents nearly 500 full-time and part-time employees of the Simcoe County District School Board.
Barrie	CUPE	Canadian Union of Public Employees	Local 2380	Represents employees of the City of Barrie
Barrie	CUPE	Canadian Union of Public Employees	Local 5820
Barrie	ETFO	Elementary Teachers' Federation of Ontario	Simcoe County Elementary Occasional Teachers Local		http://www.sceot.org/
Barrie	ETFO	Elementary Teachers' Federation of Ontario	Simcoe County Elementary Teachers' Federation Local		http://scetf.org/
Barrie	IAFF	International Association of Fire Fighters	Local 1753
Barrie	IBEW	International Brotherhood of Electrical Workers	Local 1739	Representing 210 members
Barrie	OPPA	Ontario Provincial Police Association		To better inform our 6,500+ membership of dedicated police officers, retired members and, in turn, the general public.	http://www.oppa.ca/
Barrie	OPSEU	Ontario Public Service Employees Union	Local 330	Represents Support Staff - Simcoe County District School Board	http://opseu330.com/cms/
Barrie	OPSEU	Ontario Public Service Employees Union	Local 349
Barrie	OPSEU	Ontario Public Service Employees Union	Local 350	Represents the professors, counsellors and librarians at Georgian College of Applied Arts & Technology.	http://local350.wordpress.com/
Barrie	OSSTF	Ontario Secondary School Teahers Federation	District 17 OTBU		http://d17otbu.ca/
Barrie	OSSTF	Ontario Secondary School Teachers' Federation	District 17 Simcoe	Represents teachers, educational assistants, office & clerical, instructors, and occasional teachers	http://www.d17.osstf.ca/
Barrie	OSSTF	Ontario Secondary School Teachers' Federation	District 17 Simcoe	Serves approximately 2000 members
Barrie	UA	United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada	Local 599
Barrie	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 40-O	Represents employees of Bell Canada, Bell Aliant, Expertech, BTS and TransService Logistics	http://www.unifor40-o.ca/
Barrie	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 714-M	Representing the employees of The New VR , CKVR Television, a Division of CHUM Ltd.	http://www.facebook.com/unifor714m
Barry's Bay	OSSTF	Ontario Secondary School Teachers' Federation	District 28 Renfrew
Bellevile	OPSEU	Ontario Public Service Employees Union	Local 420		http://www.opseu420.org/
Belleville	CUPE	Canadian Union of Public Employees	Local 1022	Represents 700 members employed as custodians and maintenance staff, clerical and technical staff, educational assistants	http://www.cupe1022.ca/
Belleville	CUPE	Canadian Union of Public Employees	Local 1133	Represents employees of the Hastings Manor Home for the Aged
Belleville	CUPE	Canadian Union of Public Employees	Local 907	Serves workers at Cityhall, Public Works / Yards, Belleville Water Treatment / Distribution, Parks & Recreation Facilities / Parks
Belleville	ETFO	Elementary Teachers' Federation of Ontario	Hastings and Prince Edward Teachers Local		http://www.etfohp.on.ca/
Belleville	IAFF	International Association of Fire Fighters	Local 497		http://www.bellevillefirefighters.com/
Belleville	OPSEU	Ontario Public Service Employees Union	Local 421
Belleville	OSSTF	Ontario Secondary School Teachers' Federation	District 29 Hastings - Prince Edward	Representing over 400 members
Belleville	PIPSC	Professional Institute of the Public Service of Canada	Quinte Branch		https://www.pipsc.ca/regions/ontario/branches/quinte-on
Belleville	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 30-0	Represents employees of Bell Aliant, Bell Craft, BTS, Expertech, TranService	http://www.unifor30-o.ca/
Borden	PIPSC	Professional Institute of the Public Service of Canada	Simcoe / Grey Branch		https://www.pipsc.ca/regions/ontario/branches/simcoe-grey-on
Bowmanville	CUPE	Canadian Union of Public Employees	Local 5555	Represents employees of the Kawartha Pine Ridge District School Board	http://cupe5555.ca/
Bowmanville	IBEW	International Brotherhood of Electrical Workers	Local 894
Bowmanville	UA	United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada	Local 463
Bracebridge	OPSEU	Ontario Public Service Employees Union	Local 317		http://local317.tripod.com/
Bracebridge	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 61	We are 400 Members strong and we are an Independent Auto Parts Supplier building Seat Adjusters to Automotive Manufacturers.
Bradford	CUPE	Canadian Union of Public Employees	Local 1221	Represents employees of the Bradford Valley Long Term Care Facility of Specialty Care Investments Inc	https://www.facebook.com/CUPE-LOCAL-1221-1855666431419319/
Brampton	ATU	Amalgamated Transit Union	Local 1573	Represents employees of the City of Brampton	http://www.atu1573.org/
Brampton	CUPE	Canadian Union of Public Employees	Local 831	Represents inside workers, outside workers and technical and professional workers at the City of Brampton	https://cupe831.ca/
Brampton	CUPE	Canadian Union of Public Employees	Local 966	Learn about the skills and training it takes to work in one of the Region of Peel's long-term care facilities
Brampton	IAFF	International Association of Fire Fighters	Local 1068		http://www.bramptonfirefighters.ca/index.cfm?section=1
Brampton	OPSEU	Ontario Public Service Employees Union	Local 277	Protecting the Public One Patient at a Time	http://www.peelparamedics.com/
Brampton	SPATEA	SPAR Professional and Allied Technical Employee's Association		Representing approximately 300 Professional Engineers and Technical Staff employed at MDRobotics, and David Florida Laboratories	http://www.spatea.ca/
Brampton	UA	United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada	Local 787	Representing workers in the Heating, Ventilation, Air Conditioning and Refrigeration Industry	http://www.ualocal787.org/
Brampton	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 1285	Amalgamated Local includes workers at the Chrysler Brampton Assembly Plant Unit	http://uniforlocal1285.ca/
Brampton	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 4457	Represents employees of DHL Express Canada	http://cawlocal4457.wix.com/caw#!__home-page
Brampton	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 584	Represents employees of the national parts distribution centre for Ford of Canada.	http://uniforlocal584.org/
Brampton	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 973
Brantford	AFM	American Federation of Musicians	Local 467
Brantford	CUPE	Canadian Union of Public Employees	Local 181	Representing Brant and Brantford Municipal Employees
Brantford	ETFO	Elementary Teachers' Federation of Ontario			http://www.gedsbot.com/
Brantford	ETFO	Elementary Teachers' Federation of Ontario
Brantford	IAFF	International Association of Fire Fighters	Local 460		http://www.brantfordfirefighters.com/
Brantford	OECTA	Ontario English Catholic Teachers' Association		Represents about 750 members who teach in Elementary and Secondary schools in the publicly funded Roman Catholic schools	http://www.bhnoecta.on.ca/
Brantford	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 128	Represents members with: Indian and Northern Affairs
Brantford	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 393	Represents 25 members with: INA Southern Ontario Brantford District
Brantford	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 397	An amagalmated local union consisting of thirteen (13) different bargaining units	http://caw397.freeservers.com/
Brantford	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 56	Representing employees of the natural gas distribution company Union Gas Ltd.	http://www.uniongascouncil.com/
Brantford	USW	United Steelworkers of America - Canadian branch	Local 733	Representing all hourly unionized workers of Gates Canada	http://uswa733.freeservers.com/
Brockville	AFM	American Federation of Musicians	Local 384
Brockville	AFM	American Federation of Musicians	Local 384
Brockville	CUPE	Canadian Union of Public Employees	Local 5678	Representing over 1,350 Maintenance, Office, Clerical, Technical, Instructional and Educational Assistant staff members.	http://cupe5678.ca/
Brockville	ETFO	Elementary Teachers' Federation of Ontario	Upper Canada Occasionals' Local	Represents employees of the Upper Canada District School Board	http://www.uppercanadaot.com/
Brockville Centre	ETFO	Elementary Teachers' Federation of Ontario			http://www.etfo-ucl.on.ca/
Burlington	APSSP	Association of Professional Student Services Personnel	Halton Chapter	Represents student services professionals employed at the Halton Catholic District School Board	https://apssp.org/
Burlington	CUPE	Canadian Union of Public Employees	Local 3166	Represents employees of Halton Catholic District School Board	http://3166.cupe.ca/
Burlington	ETFO	Elementary Teachers' Federation of Ontario	Halton Occasional Teachers Local		http://haltonot.ca/wp/
Burlington	ETFO	Elementary Teachers' Federation of Ontario	Halton Teachers Local		http://www.etfohalton.on.ca/
Burlington	ETFO	Elementary Teachers' Federation of Ontario	Hamilton - Wentworth Occasional Teachers Local
Burlington	HDEAA	Halton District Educational Assistants Association		Representing support staff	http://www.hdeaa.com/
Burlington	IAFF	International Association of Fire Fighters	Local 1552
Burlington	IBB	International Brotherhood of Boilermakers, Iron Ship Builders, Blackmiths, Forgers and Helpers	Local 128		http://128.boilermaker.ca/
Burlington	OECTA	Ontario English Catholic Teachers' Association
Burlington	OPSEU	Ontario Public Service Employees Union	Local 207	A forum to keep us connected
Burlington	OSSTF	Ontario Secondary School Teachers' Federation	District 20	Represents employees of the Halton District School Board	http://www.osstfd20.ca/
Burlington	OSSTF	Ontario Secondary School Teachers' Federation	District 20	Represents over 1000 members including secondary school teachers, P.S.S.P workers and office staff.
Cambridge	IAFF	International Association of Fire Fighters	Local 499		http://www.cambridgefirefighters.com/
Cambridge	IAMAW	International Association of Machinists and Aerospace Workers	Local 2330	Represents 148 members employed at Dana Canada Corporation	http://ll2330.goiam.org/
Cambridge	UFCW	United Food and Commercial Workers	Local 1977	Represents over 8,500 members in many different workplaces
Cambridge	USW	United Steelworkers	Local 2894		http://www.angelfire.com/un/uswalocal2894/
Cambridge	USW	United Steelworkers	Local 8918	Represents about 200 mill workers on steel production at the Gerdau Ameristeel Corporation
Cambridge	WRPA	Waterloo Regional Police Association		Represents employees of the Waterloo Regional Police Service	http://www.wrpa.org/
Chalk River	PIPSC	Professional Institute of the Public Service of Canada	Chalk River Branch		https://www.pipsc.ca/groups/crpeg
Chatham	CKPA	Chatham-Kent Police Association		Consists of a 10 member executive board that represents 170 sworn members	http://www.ckpolice.com/
Chatham	CUPE	Canadian Union of Public Employees	Local 12	Representing Municipal Outside, Library and Public Health Employees	http://12.cupe.ca/
Chatham	IAFF	International Association of Fire Fighters	Local 486		http://www.ckpffa.com/
Chatham	OPSEU	Ontario Public Service Employees Union	Local 148	Staff at Chatham/Kent CAS, Chatham & District Assoc. for Community Living,Lester B. Pearson Center, Heritage Childrens Centre
Chatham	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 127	Amalgamated local
Chatham	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 999	Representing employees of the natural gas distribution company Union Gas Ltd.	http://www.uniongascouncil.com/index.php?categoryid=21
Chesley	ETFO	Elementary Teachers' Federation of Ontario	Bluewater Occasional Teachers' Local		http://www.bluewater-ot.org/
Chesley	OSSTF	Ontario Secondary School Teachers' Federation	Bluewater District		http://www.d07.osstf.ca/
Clarington	IAFF	International Association of Fire Fighters	Local 3139		http://claringtonfirefighters.com/
Concord	BACU	Brick and Allied Craft Union of Canada	Local 31		http://local31.ca/
Concord	BACU	Brick and Allied Craft Union	Local 31
Concord	CAWU	Canadian Airport Workers Union		Represents security screening services employed by Garda Security Group at Pearson, Buttonville, and Toronto City Centre airports.	http://www.cawu.ca/
Concord	SEIU	Service Employees International Union	Local 1	Reprsents 40,000 members	https://seiuhealthcare.ca/
Concord	SEIU	Service Employees International Union	Local 1	Represents more than 40,000 members in 300 bargaining units fighting for dignity and fairness in the workplace
Cornwall	CUPE	Canadian Union of Public Employees	Local 1715	Represents the Outside Road Workers	https://www.facebook.com/CUPE-1715-156847421669239/
Cornwall	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 50	Represents members employed at Parks and Historic Sites Cornwall
Corwall	CPA	Cornwall Police Association		Serves 87 sworn police officers and 41 civilians	https://www.cornwallpoliceassociation.com/
Devlin	OSSTF	Ontario Secondary School Teahers Federation	District 5B Rainy River
Downsview	OECTA	Ontario English Catholic Teachers' Association		Serves over 2,000 people employed in the Secondary Panel of the Toronto Catholic District School Board	http://www.tsuoecta.org/
Dryden	OECTA	Ontario English Catholic Teachers' Association			http://www.nwoecta.com/
Dryden	PIPSC	Professional Institute of the Public Service of Canada	Lakehead Branch		https://www.pipsc.ca/regions/ontario/branches/lakehead-on
Dryden	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 105	Represents pulp mill workers
Elmvale	OECTA	Ontario English Catholic Teachers' Association		Represented by the Elementary, Secondary and Occasional Teachers' Bargaining Units	http://www.oectasimcoemuskoka.on.ca/
Fonthill	CUPE	Canadian Union of Public Employees	Local 4156	Represents support staff of the District School Board of Niagara	https://cupe4156.ca/
Fonthill	ETFO	Elementary Teachers' Federation of Ontario	ETFO Niagara Local		http://www.etfoniagara.ca/
Fonthill	ETFO	Elementary Teachers' Federation of Ontario	Niagara Occasional Teachers Local		http://www.niagaraot.org/
Fonthill	OSSTF	Ontario Secondary School Teachers' Federation	District 22 Niagara	Representing over 1000 members	http://www.d22.osstf.ca/
Fort Erie	IAMAW	International Association of Machinists and Aerospace Workers	Lodge 171	Representing employees of Fleet Industries,Patheon Pharmaceuticals and Metco.
Frankford	IAMAW	International Association of Machinists and Aerospace Workers	Lodge 1788	Representing 330 proud machinists work at Invar Manufacturing
Georgina	IAFF	International Association of Fire Fighters	Local 3691
Guelph	ATU	Amalgamated Transit Union	Local 1189
Guelph	CUPE	Canadian Union of Public Employees	Local 1334	Represents Physical Resources workers at the University of Guelph	http://1334.cupe.ca/
Guelph	CUPE	Canadian Union of Public Employees	Local 1334	Represents all trades, services and maintenance employees of the University of Guelph,	http://www.uoguelph.ca/~cupe1334/
Guelph	CUPE	Canadian Union of Public Employees	Local 241	Represents employees of public works, parks and recreation, water treatment, wastewater treatment, traffic and the wet-dry plant,	http://www.cupelocal241.ca/
Guelph	CUPE	Canadian Union of Public Employees	Local 3913	Represent graduate teaching assistants, graduate service assistants, and sessional lecturers at the University of Guelph.	http://www.cupe3913.on.ca/
Guelph	CUPE	Canadian Union of Public Employees	Local 439	Represents the employees of Community Living	http://www.4392.cupe.ca/
Guelph	CUPE	Canadian Union of Public Employees	Local 4392	Represents the employees of the Guelph Wellington Association for Community Living	https://4392.cupe.ca/
Guelph	ETFO	Elementary Teachers' Federation of Ontario	Upper Grand Local	Representing over 1200 full and part-time teachers	https://www.ugetfo.ca/
Guelph	ETFO	Elementary Teachers' Federation of Ontario	Upper Grand Occasional Teacher Local		http://www.ugot.org/
Guelph	ETFO	Elementary Teachers' Federation of Ontario	Upper Grand Teachers' Local	Representing over 1200 full and part-time teachers
Guelph	MPAO	Mounted Police Association of Ontario		Represents civilian and regular members of the Force
Guelph	OECTA	Ontario English Catholic Teachers' Association			http://www.oectawellington.ca/
Guelph	OPSEU	Ontario Public Service Employees Union	Local 232	Represents the Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA) bargaining unit staff	http://opseu232.org/
Guelph	OSSTF	Ontario Secondary School Teachers' Federation	District 18 Upper Grand	Represents 1500 members in seven distinct bargaining units.	http://www.d18.osstf.ca/
Guelph	PIPSC	Professional Institute of the Public Service of Canada	Guelph-Kitchener Branch		https://www.pipsc.ca/regions/ontario/branches/guelph-kitchener-on
Guelph	PSA	University of Guelph Professional Staff Association		Representing professional and managerial staff (full-time, part-time and contractual) at the University of Guelph	https://www.uoguelph.ca/psa/
Guelph	UGFA	University of Guelph Staff Association		Representing the academic faculty of the University of Guelph	http://www.ugfa.ca/
Guelph	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 1917	Comprised of 4 Units representing 1000 members whom work in Auto Parts, Heavy Equipment, Concrete Products, Chemical Manufacturing	http://unifor1917.ca/
Guelph	USW	United Steelworkers	Local 4120	Represents administrative and technical staff at the University of Guelph.
Guelph	USW	United Steelworkers	Local 4120	Represents all clerical, secretarial, and technical workers employed by the University of Guelph
Guelph	USW	United Steelworkers	Local 4120	Represents clerical, library, secretarial, and technical staff at the University of Guelph
Hamilton	AFM	American Federation of Musicians	Local 293
Hamilton	AFM	American Federation of Musicians	Local 293
Hamilton	AFM	American Federation of Musicians	Local 31-321
Hamilton	ATU	Amalgamated Transit Union	Local 107	Represents over 700 men and women that work for the city-owned Hamilton Street Railway (HSR).	http://atu107.com/
Hamilton	BACU	Brick and Allied Craft Union of Canada	Local 1	Our mission is to Supply Qualified Brick and Stone Mason for Industry to work in Refractory, Commercial (Industrial) & Residential
Hamilton	CAUT	Canadian Association of University Teachers		The certified bargaining agent for academic librarians at McMaster University	https://www.muala.ca/wp/
Hamilton	COPE	Canadian Office and Professional Employees Union	Local 527	Represents over 600 Educational Assistants, Child and Youth Workers and Communication Disorders Assistants.	http://cope527.ca/
Hamilton	CUPE	Canadian Union of Public Employees	Local 1065	Represents employees of Joseph Brant Memorial Hospital	http://1065.cupe.ca/
Hamilton	CUPE	Canadian Union of Public Employees	Local 3396		http://3396.cupe.ca/
Hamilton	CUPE	Canadian Union of Public Employees	Local 3906	Represents contract academic workers at McMaster University	https://cupe3906.org/
Hamilton	CUPE	Canadian Union of Public Employees	Local 4153	Represents the Caretakers, Maintenance, and Cooks at the Hamilton Wentworth district School Board	https://cupe4153.ca/
Hamilton	CUPE	Canadian Union of Public Employees	Local 4800	Represents more than 3,000 employees of the Hamilton Health Sciences Corp.	http://www.cupe7800.org/
Hamilton	CUPE	Canadian Union of Public Employees	Local 5167	Representing Municipal Employees	http://cupe5167.org/
Hamilton	CUPE	Canadian Union of Public Employees	Local 932		https://932.cupe.ca/
Hamilton	CUPW	Canadian Union of Postal Workers	Local 548	Represents 1400 postal workers
Hamilton	ETFO	Elementary Teachers' Federation of Ontario		Comprised of 2,200 Elementary Teachers employed by the Hamilton - Wentworth District School Board.	http://hwetl.ca/
Hamilton	HPA	Hamilton Police Association		Represents the rights and interests members of the Hamilton Police Service other than Senior Officers Association members.	http://www.hpa.on.ca/
Hamilton	IABSORIW	International Association of Bridge, Structural, Ornamental and Reinforcing Iron Workers Union	Local 736		http://www.iw736.com/
Hamilton	IAFF	International Association of Fire Fighters	Local 288	Represents 500 members	http://www.hamiltonfirefighters.ca/
Hamilton	IATSE	International Alliance of Theatrical Stage Employees	Local 129	Production POWER for the entertainment industry	http://www.iatselocal129.com/
Hamilton	IATSE	International Alliance of Theatrical Stage Employees	Local 828		http://www.iatse828.com/
Hamilton	IBEW	International Brotherhood of Electrical Workers	Local 105	The second IBEW local charted in Canada and is presently the longest continuous serving local of the IBEW in Canada.	http://www.ibew105.com/
Hamilton	IBT	International Brotherhood of Teamsters	Local 879		http://www.teamsters879.ca/
Hamilton	IBT	International Brotherhood of Teamsters	Local Union 879	A miscellaneous Local representing over 4000 members in a large number of different workplaces.
Hamilton	IUOE	International Union of Operating Engineers	Local 772	Representing Working People In All Classifications	http://www.iuoe772.org/
Hamilton	LIUNA	Laborers' International Union of North America	Local 837	Represents 3,500 workers	http://www.liunalocal837.com/
Hamilton	MUFA	McMaster University Faculty Association		Represents and protects the interests of all faculty members and professional librarians of McMaster University.	http://macfaculty.ca/
Hamilton	OECTA	Ontario English Catholic Teachers' Association		Represents about 1,000 English-speaking men and women who teach in elementary (junior kindergarten to grade 8) schools in the publ	http://oectahw.com/
Hamilton	OECTA	Ontario English Catholic Teachers' Association			http://www.hamiltonsecondaryunit.ca/
Hamilton	OPSEU	Ontario Public Service Employee's Union	Local 205	A composite local made up of many ministries throughout the Ontario Public Service
Hamilton	OPSEU	Ontario Public Service Employee's Union	Local 206	Represents health care workers
Hamilton	OPSEU	Ontario Public Service Employee's Union	Local 240		http://www.opseu240.ca/
Hamilton	OSSTF	Ontario Secondary School Teachers' Federation	District 21		https://www.osstf21.ca/
Hamilton	OSSTF	Ontario Secondary School Teachers' Federation	District 21 Hamilton - Wentworth
Hamilton	OSSTF	Ontario Secondary School Teachers' Federation	District 21 Hamilton - Wentworth	Represents approximately 2000 educational workers
Hamilton	PIPSC	Professional Institute of the Public Service of Canada	Hamilton Revenue Branch		https://www.pipsc.ca/regions/ontario/branches/hamilton-cra-on
Hamilton	PIPSC	Professional Institute of the Public Service of Canada	Hamilton-Burlington Branch		https://www.pipsc.ca/regions/ontario/branches/hamilton-burlington-on
Hamilton	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 221	Represent members of the Golden Horseshoe Composite - Hamilton bargaining unit
Hamilton	UA	United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada	Local 67		http://www.ualocal67.com/
Hamilton	UBCJA	United Brotherhood of Carpenters and Joiners of America	Local 1916	Comprised of 500 members	http://www.millwrightsontario.com/
Hamilton	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 504	Represents over 2500 workers in Gaming, Healthcare, Foundries, Warehousing, Auto Parts Manufacturing and Industrial Manufacturing.	http://unifor504.ca/
Hamilton	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 5555	Representing support staff at McMaster University and Regional Medical Associates staff
Hamilton	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 1999	Represents gas appliance workers at Reliance Comfort Limited Partnership	http://www.unifor1999.ca/
Hamilton	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 42	Represents employees of Bell Technical Solutions, formerly Entourage Technology Solutions	http://www.unifor42.org/
Hamilton	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 8833	Representing employees of the natural gas distribution company Union Gas Ltd.	http://www.uniongascouncil.com/index.php?categoryid=22
Hamilton	USW	United Steelworkers	Local 1005	Represents employees at the STELCO Hilton Works	https://uswa1005.ca/
Hamilton	USW	United Steelworkers	Local 16506	An amalgamated local union	http://www.usw16506.ca/
Hamilton	USW	United Steelworkers	Local 5328	Represents employees of Mittal Canada	http://www.usw5328.ca/
Hamilton	USW	United Steelworkers	Local 5328		http://www.usw5328.com/
Hamilton	USW	United Steelworkers	Local 7135	Represents employees of National Steel Car	https://usw7135.ca/
Hanover	APSSP	Association of Professional Student Services Personnel	Bruce-Grey Chapter	Represents student services professionals employed at the Bruce-Grey Catholic District School Board
Heron Bay	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 391	Represents 26 members
Huntsville	AFM	American Federation of Musicians	Local 682
Ingersoll	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 2163	Represents over 800 members, active and retired	http://uniforlocal2163.ca/
Ingersoll	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 88	Represents 1900 workers at CAMI Automotive Inc.	http://unifor88.ca/
Iroquois Falls	OSSTF	Ontario Secondary School Teachers' Federation	District 1	Let us not take thought for our separate interests but let us help one another.
Jarvis	USW	United Steelworkers	Local 8782	Represents members at Stelco Lake Erie, Nelson Steel, Harsco Services, and ESM.	http://www.uswa8782.com/
Kanata	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70106	Represents employees of the Theratronics International
Kanata	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70367	Represents employees of the Nordion International
Kapuskasing	USW	United Steelworkers	Local 1-2995	Represents 2500 members in woodlands, sawmills, plywood plants, health care, hardware store, janitorial, social services sectors
Kemptville	ETFO	Elementary Teachers' Federation of Ontario			http://www.uppercanadaot.com/
Kemptville	OECTA	Ontario English Catholic Teachers' Association		Represents '800 members that teach in 45 schools	https://easternoecta.ca/
Kemptville	OSSTF	Ontario Secondary School Teachers' Federation	District 26	Represents approximately 1000 teachers and education workers	http://www.osstf26.com/
Kenora	CUPE	Canadian Union of Public Employees	Local 191	Represents employees of the City of Kenora
Kenora	OPSEU	Ontario Public Service Employees Union	Local 719	Representing correctional officers
Kincardine	OSSTF	Ontario Secondary School Teachers' Federation	District 7 Bluewater	Represents employees of the Bluewater District School Board	http://www.osstfd7.ca/
Kingston	AFM	American Federation of Musicians	Local 518	Represents 300 members	http://kingstonmusicians.org/
Kingston	AFM	American Federation of Musicians	Local 518
Kingston	BACU	Brick and Allied Craft Union	Local 10
Kingston	CUPE	Canadian Union of Public Employees	Local 109	Represents municipal workers of the City of Kingston	https://cupe109.ca/
Kingston	CUPE	Canadian Union of Public Employees	Local 1302	Representing 106 technicans working in the Library System and Archives at Queen's University.
Kingston	CUPE	Canadian Union of Public Employees	Local 1480	Represents employees of Limestone District School Board	http://1480.cupe.ca/
Kingston	CUPE	Canadian Union of Public Employees	Local 1974	Represents Health Care, Maintenance, Information Management, Nutrition Services, Laboratory workers at Kingston General Hospital.
Kingston	CUPE	Canadian Union of Public Employees	Local 229	Represents Queen's University workers that provide maintenance, cleaning, and food services on campus	https://229.cupe.ca/
Kingston	CUPE	Canadian Union of Public Employees	Local 254	Represents Queen's University Technical Support Staff	https://254.cupe.ca/
Kingston	ETFO	Elementary Teachers' Federation of Ontario	ETFO Limestone Local		http://etfolimestone.on.ca/
Kingston	IBEW	International Brotherhood of Electrical Workers	Local 115	Workers' representation for the new millenium	http://www.ibew115.on.ca/
Kingston	KINWU	Kingston Independent Nylon Workers Union		Represents the employees of DuPont Canada Inc	http://kinwu.ca/
Kingston	OECTA	Ontario English Catholic Teachers' Association
Kingston	OPSEU	Ontario Public Service Employees Union	Local 417
Kingston	OPSEU	Ontario Public Service Employee's Union	Local 432		http://opseu432.com/
Kingston	OPSEU	Ontario Public Service Employees Union	Region 4	Represents 17,044 members in over 90 Locals
Kingston	OSSTF	Ontario Secondary School Teachers Federation	District 27	Represents about 700 Educational Workers and is composed of four Bargaining Units	http://www.osstf27.ca/
Kingston	PIPSC	Professional Institute of the Public Service of Canada	Kingston Branch		https://www.pipsc.ca/regions/ontario/branches/kingston-on
Kingston	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 901	Represents the Graduate-Student Teaching Assistants and Teaching Fellows at Queen's University	http://psac901.org/
Kingston	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada		Representative for staff of the Correctional Service of Canada employed throughout the federal criminal justice system	http://www.usge-sesg.com/
Kingston	QUFA	Queen's University Faculty Association		The exclusive bargaining unit for teaching, librarian, and archivist staff at Queen's.	http://qufa.ca/
Kingston	UBCJA	United Brotherhood of Carpenters and Joiners of America	Local 1410	Comprised of 179 members	http://www.millwrightsontario.com/
Kingston	UBCJA	United Brotherhood of Carpenters and Joiners of America	Local 1410	Representing millwrights employed in pulp mills, power stations, paper mills
Kingston	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 31-O	Represents employees at Bell, Bell Aliant, BTS, Expertech, Transervice (c)	http://www.unifor31.ca/
Kingston	USW	United Steelworkers	Local 2010		http://www.qusw.ca/
Kingsville	ONA	Ontario Nurses' Association	Local 8	Represents over 1,100 nurses
Kingsville	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 1769	An amalgamated local representing 6 different work places from Automotive Parts to Trucking and Health Care with over 850 members.
Kippen	ETFO	Elementary Teachers' Federation of Ontario	Avon Maitland Occasional Teacher Local
Kitchener	AFM	American Federation of Musicians	Local 226
Kitchener	APSSP	Association of Professional Student Services Personnel	Waterloo Chapter	Represents 20 student services professionals employed at the Waterloo Catholic District School Board
Kitchener	BACU	Brick and Allied Craft Union	Local 12
Kitchener	CUPE	Canadian Union of Public Employees	Local 1883	Represents 700 employees of the Regional Municipality of Waterloo	https://cupe1883.ca/
Kitchener	ETFO	Elementary Teachers' Federation of Ontario	Waterloo Region Occasional Teacher Local
Kitchener	IAFF	International Association of Fire Fighters	Local 457	Represents 200 Professional Fire Fighters and Civilian staff employed by the City of Kitchener Fire Department	http://www.kitchenerfirefighters.ca/
Kitchener	IBEW	International Brotherhood of Electrical Workers	Local 804		http://www.ibew804.ca/
Kitchener	OECTA	Ontario English Catholic Teachers' Association			https://waterloocatholicteachers.ca/
Kitchener	OPSEU	Ontario Public Service Employees Union	Local 237	Represents employees of Conestoga College	http://www.local237.ca/
Kitchener	OSSTF	Ontario Secondary School Teachers' Federation	District 24
Kitchener	OSSTF	Ontario Secondary School Teahers Federation	District 32 Centre-Sud-Ouest de l'Ontario		http://www.d32.osstf.ca/
Kitchener	SMWIA	Sheet Metal Workers International Association	Local Union 562		http://www.smwia562.ca/
Kitchener	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 1106		http://www.unifor1106.ca/
Kitchener	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 1451	Represents 1800 members employed by auto part maker ThyssenKrupp Budd
Kitchener	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 1524	An amalgamated Local of 17 units.
Kitchener	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 302	Represents hospital, nursing home, retirement home workers, workers in women's shelters, child and youth facilities, school boards
Kitchener	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 44		http://unifor44.ca/
Leamington	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 155	Represents members employed at Pt Pelee National Park
Lindsay	ETFO	Elementary Teachers' Federation of Ontario	Trillium Lakelands Elementary Teachers' Local	Represents employees of the Trillium Lakelands District School Board	http://tletl.ca/
Lindsay	OSSTF	Ontario Secondary School Teachers' Federation	District 15		http://www.osstfd15.net/
Lindsay	OSSTF	Ontario Secondary School Teahers Federation	District 15 Trillium Lakelands		http://osstfd15.net/
Lively	OSSTF	Ontario Secondary School Teachers' Federation	District 3	Serving 800 members of the teaching profession, support staff, and professional student support services
London	AAPSP	Association of Administrative, Professional and Support Personnel		Serves Thames Valley District School Board employees	http://www.aapsp.org/
London	AFM	American Federation of Musicians	Local 279	Represents the finest professional musicians of all styles.	http://www.londonmusicians.com/
London	AFM	American Federation of Musicians	Local 279
London	APSSP	Association of Professional Student Services Personnel	London Chapter	Represents 25 student services professionals employed at the London District Catholic School Board
London	ATU	Amalgamated Transit Union	Local 741	Represents Employees of the London Transit Commission	http://atu741.ca/
London	BACU	Brick and Allied Craft Union	Local 5		http://local5.bacu.ca/
London	BCTGM	Bakery Confectionery Tobacco and Grain Millers	Local 154-G	Represents employees of the Kellogg Canada Inc., London Plant
London	CAUT	Canadian Association of University Teachers			http://www.uwofa.ca/
London	CFS	Canadian Federation of Students	Local 47	Representing graduate students at the University of Western Ontario
London	COPE	Canadian Office and Professional Employees	Local 468	Representing employees of the London Health Sciences Centre and the Thames Valley Children's Centre	http://www.cope468.org/
London	CUPE	Canadian Union of Public Employees	Local 101	A composite Union of 680 members representing employed as county and municipal workers	https://101.cupe.ca/
London	CUPE	Canadian Union of Public Employees	Local 2361	Represents employees of the University of Western Ontario	https://cupe2361.ca/
London	CUPE	Canadian Union of Public Employees	Local 4186	Representing Custodial, Maintenance, Clerical, Technical & Educational Support Staff Of The London District Catholic School Board	https://4186.cupe.ca/
London	CUPE	Canadian Union of Public Employees	Local 4222	Represents 1800 support staff workers for The Thames Valley District School Board	https://4222.cupe.ca/
London	CUPE	Canadian Union of Public Employees	Local 4504	Represents the employees of Forward House of London	https://4504.cupe.ca/
London	CUPE	Canadian Union of Public Employees	Local 7575	Represents Educational and Instructional Assistants who are employed by the Thames Valley District School Board.	https://cupe7575.ca/
London	CUPW	Canadian Union of Postal Workers	Local 566		http://www.londoncupw.ca/
London	ETFO	Elementary Teachers' Federation of Ontario	Thames Valley Local	Represents the 3,200 public elementary teachers who work for Thames Valley District School Board.	https://etfothamesvalley.com/
London	ETFO	Elementary Teachers' Federation of Ontario	Thames Valley Occasional Teachers Local
London	FMA	Freelance Musicians' Association		Visit our resources page which contains an extensive collection of valuable industry links and articles of interest	http://www.freelancemusicians.org/
London	IAFF	International Association of Fire Fighters	Local 142	Represents 375 fire fighters, officers, communications operators, fire inspectors, support staff, administrative personnel.	http://lpffa.com/
London	IBEW	International Brotherhood of Electrical Workers	Local 120		http://www.ibew120.ca/
London	LIUNA	Laborers' International Union of North America	Local 1059	Represents 2000 members, 1600 construction and 400 building maintenance, light manufacturing and security employees.	http://www.liunalocal1059.com/
London	LPA	London Police Association			http://www.lpa.on.ca/
London	ONA	Ontario Nurses' Association	Local 100		http://onalocal100.on.ca/
London	OPSEU	Ontario Public Service Employees Union	Local 102		http://opseulocal102.tripod.com/opseulocal102/
London	OPSEU	Ontario Public Service Employees Union	Local 109	Represents 400 members employed as full time support staff at Fanshawe College
London	OPSEU	Ontario Public Service Employees Union	Local 110	Represents teachers, counsellors and librarians at Fanshawe College.	http://www.opseu110.ca/
London	OPSEU	Ontario Public Service Employees Union	Local 152	Representing members of Regional Mental Health Care-London /St. Thomas.
London	OPSEU	Ontario Public Service Employees Union	Local 164	Represents LCBO employees
London	OPSEU	Ontario Public Service Employee's Union	Local 166	Represents over 800 members working in Developmental Services, Corrections and Child Treatment.	https://opseulocal166.org/
London	OSSTF	Ontario Secondary School Teachers' Federation	District 11 Thames Valley	Serves the membership of four bargaining units in the Thames Valley District School Board	http://www.osstf11.com/
London	PIPSC	Professional Institute of the Public Service of Canada	London Branch		https://www.pipsc.ca/regions/ontario/branches/london-on
London	PMA	Professional & Managerial Association		An organization of professionals and managers at The University of Western Ontario.	https://pma.uwo.ca/
London	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 268	Represents employees of the London Composite Office
London	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 610		http://www.psac610.ca/
London	TCRC - CFTC	Teamsters Canada Rail Conference - Conférence ferroviaire de Teamsters Canada	Division 528
London	UA	United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada	Local 593
London	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 27	Represents 7000 workers in 30 units in Health Care, Auto Parts, Dealerships, Heavy Equipment and Manufacturing
London	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 27	Represents 470 members producing Light Armoured Vehicles for countries around the world, including the US Army's Stryker
London	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 302	Represents workers in: hospitals, nursing homes and retirement homes, women's shelters, child and youth facilities, school boards
London	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 46	Representing employees of Bell Canada, Expertech and Entourage	http://www.uniforlocal46.com/
London	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 6005	Represents employees of Bell Canada and BCE Clerical & Associated Employees	http://www.unifor6005.ca/
London	UWOSA	University of Western Ontario Staff Association		The 'in-house' union representing all administrative and technical staff who are not represented by any other organization	http://www.uwosa.ca/
Maidstone	IABSORIW	International Association of Bridge, Structural, Ornamental and Reinforcing Iron Workers Union	Local 700	For the education of our members and the greater community on the benefits and opportunities associated with membership.	http://www.ironworkerslocal700.com/
Mallorytown	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 392	Represents 45 members
Marathon	ETFO	Elementary Teachers' Federation of Ontario	Superior Greenstone Teacher Local	Represents employees of the Superior-Greenstone District School Board
Markham	IAFF	International Association of Fire Fighters	Local 2727		http://www.mpffa.com/
Markham	IAHFIAW	International Association of Heat and Frost Insulators and Asbestos Workers	Local 95		http://www.insulators95.com/
Markham	OECTA	Ontario English Catholic Teachers' Association		The York Catholic Teachers represents employees of the York Catholic District School Board	https://www.yctoecta.com/
Markham	UA	United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada	Local 853		https://ualocal853.org/
Midland	OPSEU	Ontario Public Service Employees Union	Local 329	Represent over 600 employees working at Mental Health Centre Penetanguishene which also includes outpatient services	http://www.opseulocal329.ca/
Midland	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 238
Milton	OPSEU	Ontario Public Service Employees Union	Region 2
Milton	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 414	A diverse local union representing 14,000 workers in many different industries.	http://uniforlocal414.ca/
Milton	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 462	Represents 3500 workers in 38 different workplaces	http://uniforlocal462.ca/
Minden	CUPE	Canadian Union of Public Employees	Local 997	Represents employees of Trillium Lakelands District School Board	https://cupe997.ca/
Mississauga	AGSAE	Association of Graduate Students at Erindale		Representing graduate students at the Erindale Campus of the University of Toronto
Mississauga	APSSP	Association of Professional Student Services Personnel	Dufferin Peel Chapter	Represents 200 student services professionals employed at the Dufferin Peel Catholic District School Board
Mississauga	APSSP	Association of Professional Student Services Personnel		A union that represents student services professionals employed at Catholic and Public School Boards	http://apssp.org/
Mississauga	ATU	Amalgamated Transit Union	Local 1572		http://www.atu1572.org/
Mississauga	ATU	Amalgamated Transit Union	Local 1624		http://www.atu1624.ca/
Mississauga	CUPE	Canadian Union of Public Employees	Local 1483	Represents Maintenance employees, Custodians, Cleaners and other Physical Plant personnel
Mississauga	CUPE	Canadian Union of Public Employees	Local 1750	Represents Workplace Safety & Insurance Board staff in Office, Field, Clerical, Technical, Specialized, and Professional positions
Mississauga	CUPE	Canadian Union of Public Employees	Local 2026	Serving Clerical, Secretarial and Technical Employees of the Dufferin-Peel Catholic District School Board	http://www.cupe2026.ca/
Mississauga	CUPE	Canadian Union of Public Employees	Local 4004		http://www.accomponent.ca/
Mississauga	CUPE	Canadian Union of Public Employees	Local 966	Represents workers at over a dozen workplaces	https://cupe966.com/
Mississauga	CUPE	Canadian Union of Public Employees		Serves 1,500 Custodians, Maintenance Workers and Food Services Group Leaders and Assistants of the Peel District School Board.	https://cupe2544.ca/
Mississauga	DPERWA	Dufferin-Peel Educational Resource Workers Association			http://www.dperwa.com/
Mississauga	ERFP	Educational Resource Facilitators of Peel			http://www.erfp.ca/
Mississauga	ETFO	Elementary Teachers' Federation of Ontario	Peel Elementary Teachers' Local		http://www.etfopeel.com/
Mississauga	ETFO	Elementary Teachers' Federation of Ontario			http://www.peot.ca/
Mississauga	IAFF	International Association of Fire Fighters	Local 1212		http://www.iaff1212.org/
Mississauga	IAFF	International Association of Fire Fighters	Local 1212	We are the Union That Represents over 600 Men and Women who serve and protect the citizens of the City of Mississauga	http://www.mississaugafirefighters.org/
Mississauga	IAFF	International Association of Fire Fighters	Local L4382	Represents the 80 men and women employed by the Toronto Lester B. Pearson International Airport (YYZ).	http://papffa.com/
Mississauga	IAMAW	International Association of Machinists and Aerospace Workers	Local 2323	Represents employees of Air Canada. We currently have over 5,000 members of which approximately 1200 are retirees.	http://iamaw2323.ca/
Mississauga	IAMAW	International Association of Machinists and Aerospace Workers	Local 2921	Represents Toronto Screening Officers employed by Garda at Pearson Airport	http://screeners.iamaw.ca/
Mississauga	IAMAW	International Association of Machinists and Aerospace Workers	Local Lodge 1922	Represents technical/clerical employees at Orenda Aerospace and City of Mississauga workers
Mississauga	IAMAW	International Association of Machinists and Aerospace Workers	Local Lodge 2413		http://iamaw2413.ca/
Mississauga	IAMAW	International Association of Machinists and Aerospace Workers	Local Lodge 2913
Mississauga	IBEW	International Brotherhood of Electrical Workers	Local 636	Comprised of 9 regions. Represents utility workers, and men and women employed in various types of industry.	https://www.ibewlocal636.com/
Mississauga	IBT	International Brotherhood of Teamsters	Local 938	Represents 10,500 members distributed throughout a multitude of industries	http://www.teamsters938.org/
Mississauga	OECTA	Ontario English Catholic Teachers' Association			http://elemdp.com/
Mississauga	OECTA	Ontario English Catholic Teachers' Association			http://www.dpeel-ot.org/
Mississauga	OECTA	Ontario English Catholic Teachers' Association			https://dpsuoecta.ca/
Mississauga	OPSEU	Ontario Public Service Employees Union	Local 228
Mississauga	OPSEU	Ontario Public Service Employee's Union	Local 584	Represents Ontario public workers employed by the Ontario Clean Water Agency (OCWA).
Mississauga	OSSTF	Ontario Secondary School Teachers' Federation	District 19 Peel	Provides advocacy, protection, support and resources for all of its members.	https://osstfd19.ca/
Mississauga	SkyPAC	Skyservice Pilots' Association of Canada			http://www.skypac.ca/
Mississauga	SPEA	Society of Professional Engineers and Associates		Represents engineers, scientists, technologists and tradespeople employed by Candu Energy Inc., / SNC-Lavalin International.	http://www.spea.ca/
Mississauga	UFCW	United Food and Commercial Workers	Local 175 and Local 633	Representing 40000 members across Ontario	http://www.ufcw175.com/
Mississauga	UNIFOR CAW	UNIFOR Canadian Auto Workers	Airline Local 2002		http://www.unifor2002.org/
Mississauga	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 1967	An amalgamated Local representing the workers at Boeing Toronto Limited and the TransAlta Energy Corporation
Mississauga	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 252	An amalgamated local comprised of 27 bargaining units	http://uniforlocal252.org/
Mississauga	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 2003E	Representing a wide variety of workers across the province. We are currently celebrating our 40th year serving Ontario workers.	http://uniforlocal2003e.org/
Mississauga	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 26	Represents workers at Bell and Expertech	http://www.unifor26.org/
Mississauga	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 6008	Represents employees of Bell Canada, Connexium and Amdocs	http://unifor6008.com/
Mississauga	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 6008	Represents BCE and Bell Clerical employees	http://www.unifor6008.com/
Moose Factory	PIPSC	Professional Institute of the Public Service of Canada	Moose Factory Branch
Moose Factory	PIPSC	Professional Institute of the Public Service of Canada
Nepean	OSSTF	Ontario Secondary School Teahers Federation	District 25 Ottawa-Carleton
Nepean	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 715-M	Representing the employees of CJOH-TV	http://unifor715m.org/
Newmarket	CUPE	Canadian Union of Public Employees	Local 1734	Represents clerical staff IT staff and educational assistants employed by the York Region District School Board.
Newmarket	CUPE	Canadian Union of Public Employees	Local 905	Representing over 3500 members employed in the municipal and social service sectors.	https://www.cupe905.com/
Newmarket	IAFF	International Association of Fire Fighters	Local 2511		https://www.facebook.com/cypffa/
Newmarket	OECTA	Ontario English Catholic Teachers' Association
Newmarket	OSSTF	Ontario Secondary School Teachers' Federation	District 16 York Region	Representing over 3000 members employed as Secondary Teachers and Secondary Occasional Teachers.	http://www.d16.osstf.ca/
Newmarket	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 52	Represents employees at Bell, BTS, Expertech, Transervice, Vupoint.
Newmarket	YRPA	York Regional Police Association		Presenting information about our Association, our activities in the community and links to resources	https://www.yrpa.ca/
Niagara Falls	AFM	American Federation of Musicians	Local 298
Niagara Falls	IAFF	International Association of Fire Fighters	Local 528		https://local.iaff.org/local0528
Niagara Falls	OPSEU	Ontario Public Service Employees Union	Local 217
Niagara Falls	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 425-G	Represents employees of Quad/Graphics, Inc. and Vertis Holdings, Inc.
Niagara Falls	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 43	A composite local, representing the Bell, Bell Technical Solutions, Expertech, and Transervice bargaining units.	http://www.unifor43.org/
Niagara Falls	USW	United Steelworkers	Local 14241	An amalgamated union representing over 100 workers from two different employers: Salit Steel, and Maurice Pincoffs
North Bay	CUPE	Canadian Union of Public Employees	Local 1165	Representing employees of the Near North District School Board	http://cupe1165.tripod.com/
North Bay	CUPE	Canadian Union of Public Employees	Local 122	Represents Inside and Outside Employees of the City of North Bay	https://122.cupe.ca/
North Bay	CUPE	Canadian Union of Public Employees	Local 146	Represents 160 health care and support workers	http://146.cupe.ca/
North Bay	ETFO	Elementary Teachers' Federation of Ontario	Near North Teachers' Local		https://nntl.ca/
North Bay	IAFF	International Association of Fire Fighters	Local 284
North Bay	IAMAW	International Association of Machinists and Aerospace Workers	Local Lodge 2412	Represent employees of: Boart Longyear, Atlas Copco, Midtronics Canada, and Bombardier.	http://ll2412.goiam.org/index.htm
North Bay	NBPA	North Bay Police Association		Serves 152 sworn and civilian members.	http://www.northbaypoliceassociation.ca/
North Bay	OPSEU	Ontario Public Service Employees Union	Local 608		http://www.opseu608.org/
North Bay	OPSEU	Ontario Public Service Employees Union	Local 657
North Bay	OSSTF	Ontario Secondary School Teachers' Federation	District 4 Near North	Representing 350 full-time and part-time members	http://www.d4osstf.ca/
North Bay	PIPSC	Professional Institute of the Public Service of Canada	Sudbury / North Bay Branch		https://www.pipsc.ca/regions/ontario/branches/sudbury-north-bay-on
North Bay	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 103	Representing 450 members working at the Ontario Northland Transportation Commission
North Bay	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 991	We represent 67 workers in the manufacture of explosives at ETI Canada Inc.
North Bay,	CAUT	Canadian Association of University Teachers
Norval	PRPA	Peel Regional Police Association			http://www.peelpa.on.ca/
Oakville	CFLPA	Canadian Football League Players' Association			http://www.cflpa.com/
Oakville	ETFO	Elementary Teachers' Federation of Ontario	Halton Occasional Teacher Local		http://www.haltonot.ca/
Oakville	HRPA	Halton Regional Police Association		This association is a symbol of fraternal unity and portrays the progressive nature of our members.	https://hrpamembers.com/
Oakville	IAFF	International Association of Fire Fighters	Local 1582		https://www.oakvillepffa.com/
Oakville	IUOE	International Union of Operating Engineers	Local 793	The best in heavy equipment operators	http://www.iuoelocal793.org/
Oakville	OPSEU	Ontario Public Service Employees Union	Local 244	Representing over 300 education workers
Oakville	OPSEU	Ontario Public Service Employees Union	Local 245		http://opseu245.org/
Oakville	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 1256	An amalgamated local comprised of 10 bargaining units	http://unifor1256.ca/
Oakville	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 707	Represents production and skilled trade workers assembling the Ford Edge and Mercury MKX at the Ford Oakville Assembly Complex	https://uniforlocal707.org/
Oakville	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 593	Represents employees of H.L. Blachford LTD	https://www.uniforlocal593.ca/
Oakville		Unifor	Local 132-O	Represents workers at soap manufacturer JemPak GK Inc
Odessa	IAMAW	International Association of Machinists and Aerospace Workers	Local Lodge 54
Omemee	IAMAW	International Association of Machinists and Aerospace Workers	Local Lodge 412	Represents members employed in papermaking, printing, papermaking supplies, manufacturing, and office work
Oshawa	APSSP	Association of Professional Student Services Personnel	Durham Chapter	Represents 43 student services professionals employed at the Durham Catholic District School Board
Oshawa	CAUT	Canadian Association of University Teachers			https://www.uoitfa.ca/
Oshawa	CUPE	Canadian Union of Public Employees	Local 1764	Representing inside workers employed by the Regional Municipality of Durham and Durham Access to Care (DATC)	http://cupe1764.ca/
Oshawa	CUPE	Canadian Union of Public Employees	Local 218	Representing the custodial / maintenance office clerical technical and educational assistants of both school boards.	https://cupe218.ca/
Oshawa	CUPE	Canadian Union of Public Employees	Local 218	Represents Custodial / Maintenance, Office Clerical Technical, and Educational Assistants employed by the Durham school boards.
Oshawa	CUPE	Canadian Union of Public Employees	Local 3223	Represents employees of Durham Children's Aid Society	https://cupe3223.ca/
Oshawa	CUPE	Canadian Union of Public Employees	Local 960	Represents the Clerical, Librarian and Maintenance staff of the Oshawa Public Libraries	https://www.cupe960.org/
Oshawa	IAFF	International Association of Fire Fighters	Local 465
Oshawa	OPSEU	Ontario Public Service Employees Union	Local 340
Oshawa	OPSEU	Ontario Public Service Employees Union	Local 353		http://opseu353.ca/
Oshawa	OPSEU	Ontario Public Service Employees Union	Local 354		http://opseu354.ca/
Oshawa	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 222	Represents 23,000 members, active and retired including auto workers at General Motors	http://local222.ca/
Oshawa	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 28	Represents employees at Bell, Bell Aliant, BTS, Expertech,
Oshawa	USW	United Steelworkers	Local 6571	Representing the Workers at: Gerdau Ameristeel's Whitby Operations	http://usw6571.ca/
Ottawa	ACFO / ACAF	Association of Canadian Financial Officers / Association canadienne des agents financiers			http://www.acfo-acaf.com/
Ottawa	ACTRA	Alliance of Canadian Cinema, Television and Radio Artists			http://www.actraottawa.ca/
Ottawa	AEFO	Association des enseignantes et des enseignants franco-ontariens		Represents the ninety-five hundred ontario teachers who work in the province's french-language schools.	http://www.aefo.on.ca/
Ottawa	AEUO	Association of Employees of the University of Ottawa		Negotiates salaries, employment benefits and the conditions and rules of their employment with the Administration	http://web5.uottawa.ca/www5/apruo/
Ottawa	AFM	American Federation of Musicians	Local 180	To defend and promote the economic, social, and professional interests of its members	https://ma180.org/
Ottawa	AFM	American Federation of Musicians	Local 180
Ottawa	APOC / AOPC	Association of Postal Officials of Canada / Association des officiers des postes du Canada	Ottawa Branch
Ottawa	APSFA	Association of Public Service Financial Administrators
Ottawa	APTPUO	Association of Part-Time Professors of the University of Ottawa		Serving close to 2500 members, teaching more than half the courses offered by the University of Ottawa.	https://aptpuo.ca/
Ottawa	APTPUO	Association of part-time professors of the University of Ottawa
Ottawa	APUO	Association of professors of University of Ottawa		Represents 920 members employed as professors, language teachers, counsellors, librarians, and research fellows.	http://www.apuo.ca/
Ottawa	ATU	Amalgamated Transit Union	Local 279	Represents employees of City of Ottawa, Royal Canadian Mint, B.A. Banknote, FirstBus Canada	https://atu279.com/
Ottawa	BAC	International Union of Bricklayers and Allied Craftworkers	Local 7		https://www.local7.ca/
Ottawa	CFS	Canadian Federation of Students	Local 78	Representing Graduate Students at Carelton University	https://gsacarleton.ca/
Ottawa	CFS	Canadian Federation of Students	Local 94		https://www.gsaed.ca/
Ottawa	CMG	Canadian Media Guild	CMG Ottawa
Ottawa	COPE	Canadian Office and Professional Employees	Local 225	Comprised of 17 units, 177 members working in the union movement and social agencies.	http://www.cope225sepb.ca/
Ottawa	CUASA	Carleton University Academic Staff Association		A professional organization for the faculty, professional librarians and lecturer (instructor) employees
Ottawa	CUPE	Canadian Union of Public Employees	Local 2195	Represents employees of the Youth Services Bureau of Ottawa	http://2195.cupe.ca/
Ottawa	CUPE	Canadian Union of Public Employees	Local 2204		http://2204.cupe.ca/
Ottawa	CUPE	Canadian Union of Public Employees	Local 2323	Represents sessional teachers at Carleton University
Ottawa	CUPE	Canadian Union of Public Employees	Local 2424	Representing 600 clerical, library, secretarial, administrative and technical staff at Carleton University .	http://2424.cupe.ca/
Ottawa	CUPE	Canadian Union of Public Employees	Local 2626	Representing the undergraduate and graduate student academic workers at the University of Ottawa.	http://www.2626.ca/
Ottawa	CUPE	Canadian Union of Public Employees	Local 2656	Represents employees of the National Film Board
Ottawa	CUPE	Canadian Union of Public Employees	Local 2656	Represents employees of the National Film Board
Ottawa	CUPE	Canadian Union of Public Employees	Local 4000	Represents almost 4000 dedicated members who are clerical and support services who assist in providing Superior Health Care	https://cupe4000.com/
Ottawa	CUPE	Canadian Union of Public Employees	Local 4297	Represents 105 custodial and maintenance staff at the French-Catholic School Board of Central-Eastern Ontario
Ottawa	CUPE	Canadian Union of Public Employees	Local 4592	Represents employees of the Salvation Army Ottawa Grace Manor
Ottawa	CUPE	Canadian Union of Public Employees	Local 4600	Represents Teaching and Research Assistants (Unit 1) and Contract Instructors (Unit 2) at Carleton University
Ottawa	CUPE	Canadian Union of Public Employees	Local 4600	Student Assistants and Sessional Lecturers at Carleton University
Ottawa	CUPE	Canadian Union of Public Employees	Local 4600	Represents nearly 1800 Teaching Assistants, as well as more than 600 Contract Instructors.
Ottawa	CUPE	Canadian Union of Public Employees	Local 4721	Represents employees of Montford Hospital
Ottawa	CUPE	Canadian Union of Public Employees	Local 503	Canada's only NO STRIKE municipal union	http://cupe503.com/
Ottawa	ETFO	Elementary Teachers' Federation of Ontario	Ottawa-Carleton Teacher Local		http://oceota.com/
Ottawa	IABSORIW	International Association of Bridge, Structural, Ornamental and Reinforcing Iron Workers Union	Local 785	Provides Ironworkers and Reinforcing Rodworkers information about benefits and opportunities associated with membership	http://www.ironworkers765.com/
Ottawa	IAFF	International Association of Fire Fighters	Local 162	Dedicated to promoting firefighting as a profession in Canada.	http://www.ottawafirefighters.org/
Ottawa	IATSE	International Alliance of Theatrical Stage Employees	Local 471	Represents a work force of over 300 workers at over 20 different venues	http://www.iatse471.com/
Ottawa	IBEW	International Brotherhood of Electrical Workers	Local 2228	Canadian Federal Government and Nav Canada workers	http://www.ibew-fioe2228.ca/
Ottawa	IBEW	International Brotherhood of Electrical Workers	Local 586	Worker Representation for the Electrical Industry	http://www.ibew586.org/
Ottawa	IBT	International Brotherhood of Teamsters	Local Union 91		http://www.teamsters91.ca/
Ottawa	IWW	Industrial Workers of the World	Ottawa General Membership Branch		https://ottawaiww.org/
Ottawa	OECTA	Ontario English Catholic Teachers' Association			https://oectaottawa.ca/
Ottawa	ONA	Ontario Nurses' Association	Local 83	The largest ONA local in the province proudly represents over 3400 members employed at the combined sites of The Ottawa Hospital.	http://onalocal83.org/
Ottawa	OPA	Ottawa Police Association		Represents 1500 members including: civilian and Special Constable personnel; Staff / Sergeant, Sergeant and Constable officers;	http://www.ottawapa.ca/
Ottawa	OPSEU	Ontario Public Service Employees Union	Local 415	Represents the teachers, counsellors and librarians at Algonquin College	http://locallines.org/
Ottawa	OPSEU	Ontario Public Service Employees Union	Local 464	Represents employees of Ottawa Hospital	http://www.opseu464.org/
Ottawa	OPSEU	Ontario Public Service Employees Union	Section Locale 470	Representing the professors, counsellors and librarians of La Cité collégiale
Ottawa	OSSTF	Ontario Secondary School Teachers' Federation	District 25
Ottawa	OSSTF	Ontario Secondary School Teachers' Federation	District 25
Ottawa	OSSTF	Ontario Secondary School Teachers' Federation	District 33 Francophone District		http://www.d33.osstf.ca/
Ottawa	OSSTF	Ontario Secondary School Teahers Federation	District 35 Support Staff University of Ottawa
Ottawa	PIPSC	Professional Institute of the Public Service of Canada	Agriculture and Agri-Food Canada Branch	Represents employees of Agriculture and Agri-Food Canada	https://www.pipsc.ca/regions/ncr/branches/aafc-ncr
Ottawa	PIPSC	Professional Institute of the Public Service of Canada	Chalk River Branch - National Capital Region		https://www.pipsc.ca/regions/ncr/branches/chalk-river-ncr
Ottawa	PIPSC	Professional Institute of the Public Service of Canada	DRDC-DND Branch	Represents employees of the Defence Research and Development Canada of the Department of National Defence.
Ottawa	PIPSC	Professional Institute of the Public Service of Canada	Health Canada Branch	Represents employees of Health Canada	https://www.pipsc.ca/regions/ncr/branches/health-canada-ncr
Ottawa	PIPSC	Professional Institute of the Public Service of Canada	National Defence Branch - National Capital Region		https://www.pipsc.ca/regions/ncr/branches/dnd-ncr-ottawa-gatineau
Ottawa	PIPSC	Professional Institute of the Public Service of Canada	Ottawa Centreville Branch		https://www.pipsc.ca/regions/ncr/branches/ottawa-centreville-ncr
Ottawa	PIPSC	Professional Institute of the Public Service of Canada	Ottawa East Branch		https://www.pipsc.ca/regions/ncr/branches/ottawa-east-ncr
Ottawa	PIPSC	Professional Institute of the Public Service of Canada	Ottawa South Branch		https://www.pipsc.ca/regions/ncr/branches/ottawa-south-ncr
Ottawa	PIPSC	Professional Institute of the Public Service of Canada	Ottawa West Branch		https://www.pipsc.ca/regions/ncr/branches/ottawa-west-ncr
Ottawa	PIPSC	Professional Institute of the Public Service of Canada	PWGSC-NCR Branch	Represents employees of Public Works and Government Services Canada in the National Capital Region.	https://www.pipsc.ca/regions/ncr/branches/pspc-ncr
Ottawa	PIPSC	Professional Institute of the Public Service of Canada	Statistics Canada Branch		https://www.pipsc.ca/regions/ncr/branches/statistics-canada-ncr
Ottawa	PIPSC	Professional Institute of the Public Service of Canada	Transport Canada Branch	Represents employees of Transport Canada	https://www.pipsc.ca/regions/ncr/branches/transport-canada-ncr
Ottawa	PIPSC	Professional Institute of the Public Service of Canada			https://www.pipsc.ca/groups/afs
Ottawa	PIPSC	Professional Institute of the Public Service of Canada			https://www.pipsc.ca/groups/cfia-in
Ottawa	PIPSC	Professional Institute of the Public Service of Canada			https://www.pipsc.ca/groups/cfia-sa
Ottawa	PIPSC	Professional Institute of the Public Service of Canada			https://www.pipsc.ca/groups/cfia-vm
Ottawa	PIPSC	Professional Institute of the Public Service of Canada			https://www.pipsc.ca/groups/hoc
Ottawa	PIPSC	Professional Institute of the Public Service of Canada			https://www.pipsc.ca/groups/nav
Ottawa	PIPSC	Professional Institute of the Public Service of Canada		Represents Treasury Board employees	https://www.pipsc.ca/groups/nrc-ls
Ottawa	PIPSC	Professional Institute of the Public Service of Canada			https://www.pipsc.ca/groups/nrc-ro-rco
Ottawa	PIPSC	Professional Institute of the Public Service of Canada		Represents translators employed by the National Research Council of Canada	https://www.pipsc.ca/groups/nrc-tr
Ottawa	PIPSC	Professional Institute of the Public Service of Canada			https://www.pipsc.ca/groups/nureg
Ottawa	PIPSC	Professional Institute of the Public Service of Canada			https://www.pipsc.ca/groups/osfi
Ottawa	PIPSC	Professional Institute of the Public Service of Canada			https://www.pipsc.ca/groups/senate
Ottawa	PIPSC	Professional Institute of the Public Service of Canada			https://www.pipsc.ca/groups/uottawa
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 20020	Represents employees of Nordion Ltd
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 358	Represents 92 members employed by the Atomic Energy of Canada (AECL)
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 394	Represents 63 employees of the Canadian Centre for Occupational Health & Safety (CCOHS)
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70026	Represents 74 members with: Human Resources
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70027	Represents employees of Indian and Northern Affairs Canada
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70027	Represents 792 members with: Indian Affairs and Northern Development
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70040	Represents employees of the NCR SSO Field Interviewers Office
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70044	Represents 1000 members employed by the Canadian International Development Agency
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70059	Represents 1415 members with: Statistics Canada
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70080	Represents 340 employees of the National Capital Commission
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70101	Represents 472 members employed by the National Library of Canada
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70125	Represents 1493 members employed by Foreign Affairs and International Trade
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70148	Represents 195 members with: Canadian Radio Television Commission
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70151	Represents 308 members employed by the Privy Council Office
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70153	Represents 326 employees of the Auditor General of Canada
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70160	Represents 584 members employed by the Canadian International Trade Tribunal
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70172	Represents 1266 members employed by the Canadian Heritage / Human Resources / Govt Services / Citizenship / NCR
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70174	Represents 29 employees of the Superintendent of Financial Institutions Office
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70176	Represents 70 members with: Industry Canada, Competition Tribunal, Canadian Heritage, Patented Medicine Price Review, National Rev
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70181	Represents 329 members employed by Department of Finance Canada
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70183	Represents 122 members employed by the Shirley's Bay Communication
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70291	Represents employees of the National Arts Centre
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70292	Represents 27 members employed by the Canada Industrial Relations Board
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70312	Represents 71 members employed by the Office of the Commissioner of Official Languages
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70342
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70348	Represents members with: National Library, Public Archives
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70372	Represents employees of the Social Sciences & Humanities Research Council (SSHRC)
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70380	Represents 611 members of: Industry Canada, Canada Millenium Bureau, Federal Economic Development Initiative in Northern ON Region
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70381	Represents members with: Natural Resources, Justice, Industry Canada
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70390	Represents employees of the House of Commons, and of members of Parliament or political party caucuses
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70395	Represents employees of the Canadian Museum of Nature
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70396	Represents workers at the Canadian Children's Museum, Canadian Postal Museum, Canadian Museum of Civilization, Canadian War Museum
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70397	Represents employees of the Canadian Museum of Contemporary Photography (CMCP) and the National Gallery
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70399	Represents 65 members in the Cdn Hrt (Parks) Ottawa / Sheffield Rd bargaining unit
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70400	Represents 20 members employed at the Amethyst Addiction Centre for Women
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70401	Represents 227 employees of the Canada National Science and Technology Museum Corporation
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70404	Represents 77 members employed by Status of Women Canada
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70405	Represents 5 employees of the Unitarian Services Committee (USC)
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70407	Represents employees of the Library of Parliament
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70408	Represents employees of the Senate of Canada
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70409	Represents employees of the Canada Council for the Arts
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70410	Represents 120 members employed by the Chief Electoral Office
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 70713	Represents employees of the Department of Fisheries & Oceans	http://local70713.com/
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 71200
Ottawa	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada		Represents employees of the Statistical Surveys Operations (SSO) (Regional Offices)
Ottawa	RCEA	Research Council Employees' Association		The bargaining agent for certain groups of employees of the National Research Council.	http://www.rcea.ca/
Ottawa	SMWIA	Sheet Metal Workers International Association	Local 47		http://www.smwia47ottawa.org/
Ottawa	UA	United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada	Local 71	Download forms or consult practical information concerning all other programs such as training, active job list etc.	http://www.ualocal71.com/
Ottawa	UBCJA	United Brotherhood of Carpenters and Joiners of America	Local 93		http://www.local93.org/
Ottawa	UH	UNITE HERE	Local 261	Represents members in Recreation, Accommodation, Food Service, Parking Lot, Housekeeping and Maintenance Services Sectors
Ottawa	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 2002 District 302 YOW		http://sites.google.com/site/yowd302/
Ottawa	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 4266	Represents over 600 members who work for armored truck, school bus and impaired mobility bus companies.	http://unifor4266.com/
Ottawa	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 4270
Ottawa	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 567	Represents 100 workers employed in numerous small non-for-profit and for-profit workplaces	https://unifor567.ca/
Ottawa	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 830	Represents 1,850 members in 20 workplaces	http://www.unifor830.ca/
Ottawa	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 247	Represents all Agents, Public Relations Representative and Office Personnel proudly working for AIL Canada	http://www.cep247.com/
Ottawa	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 34-O	Representing the Employees of these Companies: Bell,Entourage,Expertech,Nexacor,Thermoshell.
Ottawa	UNIFOR CEP	Communications, Energy and Paperworkers	Local 6004	We are a composite local, representing two bargaining units of the telecommunications sector, employed by Bell Canada and Aliant.	http://unifor6004.ca/
Ottawa	USW	United Steelworkers	Local 9597		https://usw9597.ca/
Ottawa	USW	United Steelworkers		Represents 1200 members employed by Blue Line, Hamilton Taxi, and Markham Taxi.
Ottawa	UTE - SEI	Union of Taxation Employees - Syndicat des employé-e-s de l'Impôt	Local 70000	Represents 2,000 Federal Government Employees employed by the Canada Revenue Agency
Ottawa		Unifor	Local 2025	Dedicated union employees who provide a range of professional services to members of the Public Service Alliance of Canada	http://www.unifor2025.ca/
Owen Sound	CUPE	Canadian Union of Public Employees	Local 1176	Representing Custodial / Maintenance / Educational Assistants with the " New " BlueWater Board of Education	https://1176.cupe.ca/
Owen Sound	IAMAW	International Association of Machinists and Aerospace Workers	Local 386		http://iamaw386.ca/
Owen Sound	USW	United Steelworkers	Local 818	Represents employees of Goodyear Canada Inc., division of The Goodyear Tire & Rubber Company	http://uswalocal818.tripod.com/
Pembroke	ETFO	Elementary Teachers' Federation of Ontario	ETFO Renfrew Occasional Teachers Local
Pembroke	ETFO	Elementary Teachers' Federation of Ontario	Renfrew County Teacher Local	Represents employees of the Renfrew County District School Board	https://renfrewteachers.ca/
Pembroke	OPSEU	Ontario Public Service Employees Union	Local 447	Represents people working for the Ontario Government directly or with Crown Corporations and various Agencies.
Petawawa	PIPSC	Professional Institute of the Public Service of Canada	Petawawa Branch		https://www.pipsc.ca/regions/ncr/branches/petawawa-ncr
Peterborough	ATU	Amalgamated Transit Union	Local 1320	Represents the Transit drivers	https://atu1320.org/
Peterborough	CAUT	Canadian Association of University Teachers		Represents 300 Faculty, Professional Librarians, and Sessional Employees of Trent University	https://www.trentfaculty.ca/
Peterborough	CFS	Canadian Federation of Students	Local 71
Peterborough	CUPE	Canadian Union of Public Employees	Local 1453	Represents members at the Peterborough Victoria Northumberland and Clarington Catholic District School Board.	https://www.cupelocal1453.com/
Peterborough	CUPE	Canadian Union of Public Employees	Local 3205
Peterborough	CUPE	Canadian Union of Public Employees	Local 3908	Represents UNIT 1 - Contract Faculty & UNIT 2 - Student Academic Workers
Peterborough	CWA	Communications Workers of America	Local 30248	Represents workers at daily newspapers, Child and Youth Workers and Social Workers at a Children's Mental Health centre
Peterborough	ETFO	Elementary Teachers' Federation of Ontario	Kawartha Pine Ridge Teachers Local		http://kpretfo.ca/
Peterborough	ETFO	Elementary Teachers' Federation of Ontario	Kawartha Pine Ridge Teachers Local
Peterborough	GSA	Graduate Students' Association		Representing the graduate students at Trent University
Peterborough	OECTA	Ontario English Catholic Teachers' Association		Represents more than 900 elementary and secondary teachers in 39 locations.	https://www.pvncoecta.ca/
Peterborough	OPSEU	Ontario Public Service Employees Union	Local 351	Represent workers at Sir Sanford Fleming College
Peterborough	OPSEU	Ontario Public Service Employees Union	Local 352	Represent workers at Sir Sanford Fleming College
Peterborough	OPSEU	Ontario Public Service Employees Union	Local 352	Represents 370 faculty of Sir Sandford Fleming College including professors and instructors, and counsellors.
Peterborough	OPSEU	Ontario Public Service Employees Union	Local 362		https://sites.google.com/site/opseulocal362/
Peterborough	OPSEU	Ontario Public Service Employees Union	Local 365	Representing employees of Trent University	https://www.opseu365.com/
Peterborough	OSSTF	Ontario Secondary School Teachers' Federation	District 14
Peterborough	PIPSC	Professional Institute of the Public Service of Canada	Peterborough Branch
Peterborough	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 1996	Represents 460 workers at the Pepsico Foods plant (Quaker Oats)
Peterborough	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 524	Represents General Electric employees at the Large Motors operation and the Nuclear Fuel operations
Peterbourough	CUPE	Canadian Union of Public Employees	Local 1943	Represents employees of Peterbourough Regional Health Centre	https://cupe1943.ca/
Pickering	CUPE	Canadian Union of Public Employees	Local 129 Local 129-01	Representing the employees of The City of Pickering and Ajax Pickering Transit Authority.	https://cupe129.ca/
Pickering	IAFF	International Association of Fire Fighters	Local 1632		http://www.pickeringfire.com/
Picton	ETFO	Elementary Teachers' Federation of Ontario	Hastings-Prince Edward Occasional Teachers Local	Represents 300 members
Port Hope	USW	United Steel Workers	USW 13173	Represents employees of Cameco Corporation
Red Rock	OSSTF	Ontario Secondary School Teahers Federation	District 6B Superior-North
Renfrew	OSSTF	Ontario Secondary School Teachers' Federation	District 28 - Renfrew
Richmond Hill	IAFF	International Association of Fire Fighters	Local 1957	Represents the Firefighters of the Richmond Hill Fire Department	http://www.iaff1957.org/
Richmond Hill	IBT	International Brotherhood of Teamsters	Local 100-M
Sarinia	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 456	Represents manufacturing and transportation workers across 3 bargaining units.	https://www.facebook.com/UniforLocal456/
Sarnia	BACU	Brick and Allied Craft Union	Local 23
Sarnia	IAFF	International Association of Fire Fighters	Local 492
Sarnia	IBEW	International Brotherhood of Electrical Workers	Local 530
Sarnia	OECTA	Ontario English Catholic Teachers' Association	St. Clair Catholic District Elementary Teachers' Association	Representing 460 members
Sarnia	OECTA	Ontario English Catholic Teachers' Association
Sarnia	OPSEU	Ontario Public Service Employees Union	Local 125	Representing the education faculty at Lambton College
Sarnia	OSSTF	Ontario Secondary School Teachers' Federation	District 10		http://www.osstfd10.ca/
Sarnia	OSSTF	Ontario Secondary School Teachers' Federation	District 10
Sarnia	SPA	Sarnia Police Association
Sarnia	TCRC	Teamster Canada Rail Conference	Division 240		http://www.xcelco.on.ca/~ble240/
Sarnia	UA	United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada	Local 663		https://local663.com/
Sarnia	UBCJA	United Brotherhood of Carpenters and Joiners of America	Local 1592	Comprised of 350 members
Sarnia	UBCJA	United Brotherhood of Carpenters and Joiners of America	Local 1592	Representing millwrights employed in refineries, nuclear power and cars
Sarnia	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 848	Represents over 200 dedicated workers at the Shell Manufacturing Centre	https://unifor848.com/
Sarnia	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 914	Representing employees of the natural gas distribution company Union Gas Ltd.	http://www.uniongascouncil.com/index.php?categoryid=19
Sarnia	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 938	Representing employees of the natural gas distribution company Union Gas Ltd.	http://www.uniongascouncil.com/index.php?categoryid=20
Sarnia	UTU	United Transportation Union	Local 344
Sauble Beach	CFNPA	Canadian First Nations Police Association
Sault Ste Marie	AFM	American Federation of Musicians	Local 276	Represents 110 professional musicians dedicated to playing their hearts out for their fans.	https://members.afm.org/locals/info/number/276
Sault Ste Marie	AFM	American Federation of Musicians	Local 276
Sault Ste Marie	ATU	Amalgamated Transit Union	Local 1767	Represents 70 operators at Sault Ste. Marie Transit.
Sault Ste Marie	ATU	Amalgamated Transit Union	Local 1767	Represents 70 operators at Sault Ste. Marie Transit.
Sault Ste Marie	BACU	Brick and Allied Craft Union	Local 29
Sault Ste Marie	CUPE	Canadian Union of Public Employees	Local 67
Sault Ste Marie	IAFF	International Association of Fire Fighters	Local 529		http://www.saultfirefighters.ca/
Sault Ste Marie	IWA	Industrial, Wood and Allied Workers of Canada	Local 1000	Represents approximately 2,000 workers in 30 different operations
Sault Ste Marie	OECTA	Ontario English Catholic Teachers' Association			http://www.huronsuperioroecta.com/
Sault Ste Marie	OECTA	Ontario English Catholic Teachers' Association		Represents teachers throughout the Huron-Superior Catholic District School Board
Sault Ste Marie	OPSEU	Ontario Public Service Employees Union	Local 613	Represents educators employed by the Sault College of Applied Arts and Technology	https://www.facebook.com/OPSEULocal613/
Sault Ste Marie	OSSTF	Ontario Secondary School Teachers' Federation	District 2	Representing employees of the Algoma District School Board	http://www.d02.osstf.ca/
Sault Ste Marie	OSSTF	Ontario Secondary School Teachers' Federation	District 35
Sault Ste Marie	OSSTF	Ontario Secondary School Teahers Federation	District 35
Sault Ste Marie	PIPSC	Professional Institute of the Public Service of Canada	Sault Ste Marie Branch		https://www.pipsc.ca/regions/ontario/branches/sault-ste-marie-on
Sault Ste Marie	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 1359	From Healthcare to Armoured Transport - Maintenance, Clerical, and Paramedics - we have you covered!	http://unifor1359.org/
Sault Ste Marie	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 1359	Represents 1,200 members working in Hospitals, Nursing Homes and Emergency Medical Services
Sault Ste Marie	USW	United Steelworkers	Local 2251	Represents employees at Essar Steel Algoma	http://www.usw2251.ca/
Sault Ste Marie	USW	United Steelworkers	Local 2251
Sault Ste Marie	USW	United Steelworkers	Local 2724
Sault Ste Marie	USW	United Steelworkers	Local 7129
Sault Ste Marie	USW	United Steelworkers	Local 7846
Sault Ste Marie	USW	United Steelworkers	Local 8748	Represents employees of Cooper Standard Unit
Sault Ste Marie	USW	United Steelworkers	Local 9246
Sault Ste Marie	USW	United Steelworkers	Local 9260
Sault Ste Marie	USW	United Steelworkers	Local 9548	Represents employees of Algoma Tubes
Seaforth	ETFO	Elementary Teachers' Federation of Ontario	Avon Maitland Elementary Teachers' Local	Represents 720 elementary teachers employed by the Avon Maitland District School Board.	http://ametfo.ca/
Seaforth	ETFO	Elementary Teachers' Federation of Ontario	Avon Maitland Elementary Teachers' Local
Seaforth	OSSTF	Ontario Secondary School Teachers' Federation	District 8 Avon Maitland	Represents more than 1,000 educational workers employed by the Avon Maitland District School Board	https://osstfd8.wordpress.com/
Sequin	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 39-O	Represents employees of Bell Aliant, Bell Craft, BTS, Expertech, TranService	http://www.unifor39-o.ca/
Shelburne	CUPE	Canadian Union of Public Employees	Local 3192	Represents employees of Dufferin Oaks Home for Seniors
Simcoe	OSSTF	Ontario Secondary School Teachers' Federation	District 23
Simcoe	OSSTF	Ontario Secondary School Teahers Federation	District 23 Grand Erie
Simcoe	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 5	Representing employees of the natural gas distribution company Union Gas Ltd.	http://www.uniongascouncil.com/index.php?categoryid=13
Sioux Lookout	PIPSC	Professional Institute of the Public Service of Canada	Sioux Lookout Branch		https://www.pipsc.ca/regions/ontario/branches/sioux-lookout-zone-on
Sioux Lookout	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 293	Represents members with: Indian and Northern Affairs
South River	ETFO	Elementary Teachers' Federation of Ontario	Near North Occasional Teacher Local		https://nnot.ca/
St Catharines	APSSP	Association of Professional Student Services Personnel	Niagara Chapter	Represents 58 student services professionals employed at the Niagara District School Board
St Catharines	CAUT	Canadian Association of University Teachers		Representing all faculty and professional librarians at Brock University	https://www.bufa.ca/
St Catharines	CMSG	Canadian Merchant Service Guild		Represents Cadets, Deck Oficers, Electrical Officers, Engineers, Instructors, Masters, Logistics Offiicers, Pilots, Radio Officers	http://www.cmsg-gmmc.ca/
St Catharines	CUPE	Canadian Union of Public Employees	Local 1287		https://cupe1287.com/
St Catharines	CUPE	Canadian Union of Public Employees	Local 150	Services the outside municipal workers	https://150.cupe.ca/
St Catharines	CUPE	Canadian Union of Public Employees	Local 4207	Representing employees of Brock University	https://4207.cupe.ca/
St Catharines	GSA	Graduate Students' Association		Represents the interests of all graduate students at Brock University: MEd, MAcc, MA, MSc, MTL & all PhD students	https://brocku.ca/graduate-students-association/
St Catharines	IAFF	International Association of Fire Fighters	Local 485	Represents 160 members of the Professional Firefighters of the St. Catharines Fire Services.	http://www.stcatharinesfirefighters.ca/
St Catharines	IATSE	International Alliance of Theatrical Stage Employees	Local 461		http://www.iatse461.com/
St Catharines	IBEW	International Brotherhood of Electrical Workers	Local 303		http://www.ibewlocal303.com/
St Catharines	NRPA	Niagara Region Police Association		Represents the over 900 Uniform and Civilian members that are the employees of Niagara Regional Police Service	https://www.nrpa.on.ca/
St Catharines	OPSEU	Ontario Public Service Employees Union	Local 211	A composite local that consists of 170 members employed in a variety of Ontario government ministries offices.
St Catharines	OPSEU	Ontario Public Service Employees Union	Local 270	Represents employees of the Ministry of Transportation MTO, Shared Services Bureau SSB, Ministry of Consumer & Business Services	http://opseu270.org/
St Catharines	OSSTF	Ontario Secondary School Teachers' Federation	District 35	Serving employees of Algoma College and Brock University
St Catharines	OSSTF	Ontario Secondary School Teahers Federation	District 35
St Catharines	PIPSC	Professional Institute of the Public Service of Canada	Niagara Region Branch		https://www.pipsc.ca/regions/ontario/branches/niagara-region-on
St Catharines	TPEA	Thompson Products Employees' Association			http://tpea.ca/
St Catharines	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 199	An amalgamated local representing GM Engine Plant and Components Plant, as well as almost 20 other bargaining units	http://unifor199.org/
St Catharines	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 199	To hasten our return to work. To cement the bond that we as workers have to one another, both production & skilled trades workers
St Catharines	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 4212	Serving the Operations, Maintainence & Clerical employees of the St. Lawrence Seaway Management Corporation
St Catherines	UBCJA	United Brotherhood of Carpenters and Joiners of America	Local 1007	Comprised of 178 members
St Marys	AFM	American Federation of Musicians	Local 418	We represent the finest professional musicians in the area.
St Thomas	IAMAW	International Association of Machinists and Aerospace Workers	Local 1975		http://iamaw1975.ca/
St Thomas	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 1001	Represents 1200 workers at Sterling Trucks, a division of Freightliner
St Thomas	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 1520	Represents 4000 members at the St. Thomas Assembly Plant (STAP) building the Ford - Crown Victoria and the Mercury - Grand Marquis
St Thomas	USW	United Steelworkers	Local 4906
Stratford	AFM	American Federation of Musicians	Local 418
Stratford	IAMAW	International Association of Machinists and Aerospace Workers	Local Lodge 1550
Stratford	IAMAW	International Association of Machinists and Aerospace Workers	Local Lodge 1927	Representing 320 employees of Dominion Controls
Stratford	IATSE International Alli		Local 357		http://www.iatse357.ca/
Stratford	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 4451	Represents workers at Cooper-Standard Automotive Plants 1, 2 and 8	https://www.facebook.com/Unifor4451/
Sturgeon Falls	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 383	Represents employees of the Sturgeon Falls (combined TB / SSO Local)
Sudbury	AFM	American Federation of Musicians	Local 290
Sudbury	AFM	American Federation of Musicians	Local 290
Sudbury	BACU	Brick and Allied Craft Union	Local 28
Sudbury	CAUT	Canadian Association of University Teachers		Represents faculty of Laurentian University
Sudbury	CMG	Canadian Media Guild	Section SUDBURY	Representing CBC employees of the North
Sudbury	CUPE	Canadian Union of Public Employees	Local 1182	Represents 245 member in a Long Term Care Facility, Extendicare York / Sudbury Nursing Home	http://www.cupesudbury.org/
Sudbury	CUPE	Canadian Union of Public Employees	Local 1623	Represents 1000 service and clerical members
Sudbury	CUPE	Canadian Union of Public Employees	Local 4705	Representing 1200 municipal workers delivering public services	http://www.cupesudbury.org/
Sudbury	ETFO	Elementary Teachers' Federation of Ontario	Rainbow Occaisional Teacher Local		http://www.etforainbowot.on.ca/
Sudbury	ETFO	Elementary Teachers' Federation of Ontario	Rainbow Teacher Local	Represents 600 Elementary Teachers	https://www.etforainbow.on.ca/
Sudbury	IAFF	International Association of Fire Fighters	Local 527	Our mandate includes workplace safety, collective bargaining, public safety, and charitable causes in the community.	http://spffa.ca/
Sudbury	IBEW	International Brotherhood of Electrical Workers	Local 1687		http://www.ibew1687.org/
Sudbury	IBEW	International Brotherhood of Electrical Workers	Local 1687	Member page - Scott Goodyear
Sudbury	LUSU	Laurentian University Staff Union		Represents 217 staff members at Laurentian University	http://www.lusu-seul.ca/
Sudbury	OPSEU	Ontario Public Service Employees Union	Local 617	Represents employees of Sudbury Jail
Sudbury	OPSEU	Ontario Public Service Employees Union	Local 655	Representing academic personnel at Cambrian College of Applied Arts & Technology	https://www.facebook.com/OPSEU655/
Sudbury	OPSEU	Ontario Public Service Employees Union	Local 656		http://local656.ca/
Sudbury	OPSEU	Ontario Public Service Employees Union	Local 671	Represents employees of the Ministry of Northern Development and Mines
Sudbury	OPSEU	Ontario Public Service Employee's Union	Local 677		https://www.nosmfsa.ca/
Sudbury	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 219	Represents members with: Indian and Northern Affairs
Sudbury	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 303	Represents 31 members with:Canadian Heritage, Public Works and Government Services Canada
Sudbury	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 356	Represents 47 employees of the Sudbury Composite (Ind Cda / SSO Field / Heritage) office
Sudbury	UBCJA	United Brotherhood of Carpenters and Joiners of America	Local 1425	Representing millwrights employed in pulp, paper, mining, milling, smelting
Sudbury	UBCJA	United Brotherhood of Carpenters and Joiners of America	Local 1425	Comprised of 153 members
Sudbury	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 598	Represents over 1200 Production and Maintenance Workers at Falconbridge Limited's Sudbury Operations	http://www.minemill598.com/
Sudbury	USW	United Steelworkers	Local 2020	Represents over 2500 members working for 58 employers in a wide range of industries	http://www.uswlocal2020.ca/
Sudbury	USW	United Steelworkers	Local 6500	Represents over 3250 production and maintenance employees of CVRD Inco. Our members work in six mines and 3 processing complexes	http://www.uswlocal6500.ca/
Sudbury	USW	United Steelworkers	Local 6500	Represents over 3250 production and maintenance employees of CVRD Inco. Our members work in six mines and 3 processing complexes
Tecumseh	ETFO	Elementary Teachers' Federation of Ontario	Greater Essex Local		http://www.greaterteachers.com/
Tecumseh	ETFO	Elementary Teachers' Federation of Ontario	Greater Essex Occasional Teacher Local	Represents 1,500 teachers instructing 22,500 elementary students located at 63 sites	http://gecoetfo.ca/
Tecumseh	OECTA	Ontario English Catholic Teachers' Association
Tecumseh	OSSTF	Ontario Secondary School Teachers' Federation	District 9 Greater Essex		http://www.osstf9.com/
Thistletown	OPSEU	Ontario Public Service Employees Union	Local 547	Represents employees of the Thistletown Regional Centre
Thorold	BACU	Brick and Allied Craft Union	Local 4
Thorold	CMOU	Canadian Marine Officer's Union	Ontario Branch
Thorold	CUPE	Canadian Union of Public Employees	Local 1317	Representing approximately 700 workers at the Niagara Catholic District School Board.	https://1317.cupe.ca/
Thorold	CUPE	Canadian Union of Public Employees	Local 151
Thorold	IBEW	International Brotherhood of Electrical Workers	Local 303	Represents inside and outside construction, maintenance, manufacturing, marine, communication electricians and linesmen	http://www.ibewlocal303.com/
Thorold	IBEW	International Brotherhood of Electrical Workers	Local 303	Member page - Jim Upper
Thorold	UA	United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada	Local 666
Thorold	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 676	Represents workers at Dana Canada Inc. in both office and plant units.
Thunder Bay	AFM	American Federation of Musicians	Local 591		http://www.thunderbaymusicians.com/
Thunder Bay	AFM	American Federation of Musicians	Local 591
Thunder Bay	ATU	Amalgamated Transit Union	Local 966
Thunder Bay	BACU	Brick and Allied Craft Union	Local 25
Thunder Bay	CMG	Canadian Media Guild	CMG Thunder Bay
Thunder Bay	CUPE	Canadian Union of Public Employees	Local 3905	Reprents Working Students at Lakehead University	http://www.cupe3905.lakeheadu.ca/
Thunder Bay	CUPE	Canadian Union of Public Employees	Local 3905	Represents graduate or undergraduate students employed in demonstrating, tutoring, marking or as research or teaching assistants
Thunder Bay	CUPE	Canadian Union of Public Employees	Local 87	Represents city and regional municipal workers	https://87.cupe.ca/
Thunder Bay	ETFO	Elementary Teachers' Federation of Ontario	Lakehead Occasional Teachers' Local		http://etfo-ot.ca/
Thunder Bay	ETFO	Elementary Teachers' Federation of Ontario	Lakehead Teacher Local and ECE Bargaining Unit
Thunder Bay	ETFO	Elementary Teachers' Federation of Ontario
Thunder Bay	IAMAW	International Association of Machinists and Aerospace Workers	Local Lodge 1120		http://iamaw1120.ca/
Thunder Bay	IATSE	International Alliance of Theatrical Stage Employees	Local 467
Thunder Bay	IBEW	International Brotherhood of Electrical Workers	Local 402		https://ibew402.ca/
Thunder Bay	LUFA	Lakehead University Faculty Association			https://lufa.org/
Thunder Bay	OECTA	Ontario English Catholic Teachers' Association
Thunder Bay	OPSEU	Ontario Public Service Employees Union	Local 713	Represents the dedicated employees of the Ministry of Natural Resources
Thunder Bay	OPSEU	Ontario Public Service Employees Union	Local 715	We represent the 300 paramedical employees of Thunder Bay Regional Hospital
Thunder Bay	OPSEU	Ontario Public Service Employees Union	Local 720	In Solidarity We Gain Power! Stick Together for Maximum Effect!
Thunder Bay	OPSEU	Ontario Public Service Employees Union	Local 731	Serves over 200 employees working for Confederation College and the Ministry of Education in Thunder Bay, and other communities	http://opseulocal731.com/
Thunder Bay	OPSEU	Ontario Public Service Employees Union	Local 732
Thunder Bay	OPSEU	Ontario Public Service Employees Union	Region 7
Thunder Bay	OSSTF	Ontario Secondary School Teachers' Federation	District 6A Thunder Bay	Represents education workers employed by the Lakehead Public Schools and the Thunder Bay Catholic Schools.	http://www.d06a.osstf.ca/
Thunder Bay	PIPSC	Professional Institute of the Public Service of Canada			http://www.pipsc.ca/groups/tbh-rt
Thunder Bay	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 296	Represents members with: Industry Canada, Federal Economic Development Initiative in Northern Ontario Region
Thunder Bay	UA	United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada	Local 628		http://ualocal628.com/
Thunder Bay	UBCJA	United Brotherhood of Carpenters and Joiners of America	Local 1151	Comprised of 169 members
Thunder Bay	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 1075	Represents production and skilled trades workers employed at the Bombardier Transportation plant manufacturing rail vehicles
Thunder Bay	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 229	Represents 2300 members in more than 30 bargaining units covering both the public and the private sectors.	http://unifor229.com/
Thunder Bay	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 2040		http://www.cfunion.ca/
Thunder Bay	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 7-O	Our local is an Aboriginal composite local
Tilbury	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 1941	An amalgamated Local consisting of seven units and approximately 1,000 members including retirees.
Tillsonburg	IAMAW	International Association of Machinists and Aerospace Workers	Local 2792	Represents 600 members employed by D.D.M. Plastics within two separate bargaining units
Timiskaming	OPSTF	Ontario Public School Teachers' Federation	Timiskaming District
Timmins	AFM	American Federation of Musicians	Local 817
Timmins	CUPE	Canadian Union of Public Employees	Local 4681	Represents employees of the Northeastern Catholic District School Board
Timmins	ETFO	Elementary Teachers' Federation of Ontario	Local 1		https://etfonortheast.ca/
Timmins	OECTA	Ontario English Catholic Teachers' Association			http://www.nt.net/noecta/
Timmins	OPSEU	Ontario Public Service Employees Union	Local 653	Represents employees of Northern College of Applied Arts and Technology	http://www.sixfivethree.ca/
Timmins	OPSEU	Ontario Public Service Employee's Union	Local 665
Timmins	OSSTF	Ontario Secondary School Teachers' Federation	District 1 - Ontario North East
Timmins	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 599	Represents employees at the Xstrata Kidd Met Site
Timmins	USW	United Steelworkers	Local 7580	Represents 385 members employed by Placer Dome (CLA) Porcupine Joint Venture, Luzenac, Chapleau Co-Generation Plant
Timmins		Timmins Police Association
Tobermory	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 41	Represents 26 members
Toronto	ACTRA	Alliance of Canadian Cinema, Television and Radio Artists	Toronto Branch	The professional organization for 10000 performers working in the recorded media.	https://www.actratoronto.com/
Toronto	AFM	American Federation of Musicians	Local 149		https://tma149.ca/
Toronto	AFM	American Federation of Musicians	Local 149		https://www.tma149.ca/
Toronto	AFM	American Federation of Musicians	Local 149
Toronto	ALOC	Association of Law Officers of the Crown		Represents lawyers and articling students employed by the government of Ontario, except the lawyers in the Criminal Law Division	http://www.aloc.ca/
Toronto	AMAPCEO	Association of Management, Administrative, and Professional Crown Employees of Ontario		Association of middle-management, administrative and professional Ontario public servants.	https://amapceo.on.ca/
Toronto	APMC	Association of Professionals, Managers and Confidentials		All employees of the University of Toronto whose terms and conditions of employment are not covered by a collective agreement
Toronto	APSSP	Association of Professional Student Services Personnel	Toronto Chapter	Represents 160 student services professionals employed at the Toronto Catholic District School Board
Toronto	ATU	Amalgamated Transit Union	Local 113	Represents over 8,000 member employed by the Toronto Transit Commission, the TTC, transporting 430,000,000 passengers annually.	https://wemovetoronto.ca/
Toronto	ATU	Amalgamated Transit Union	Local 113	Represents employees of the Toronto Transit Commission with 480 operators, 200 maintenance and 20 clerical staff.
Toronto	ATU	Amalgamated Transit Union	Local 1415	Represents employees of Greyhound Canada Transportation Corp.
Toronto	ATU	Amalgamated Transit Union	Local 1587	Represents employees of Go Transit, Veolia, Bombardier, Laidlaw, Miller, Can-ar Mobility, Can-ar Transit	https://atu1587.ca/
Toronto	BACU	Bricklayers, Masons Independent Union of Canada	Local 1		http://local1.ca/
Toronto	BACU	Brick and Allied Craft Union	Local 2
Toronto	CALDA	Canadian Airline Dispatchers Association		A professional association representing the Flight Dispatchers of four major airlines in Canada.	https://www.calda.ca/
Toronto	CAUT	Canadian Association of University Teachers		Represents faculty and acedemic staff of the Ontario College of Art & Design University OCADU	http://ocadfa.ca/
Toronto	CAUT	Canadian Association of University Teachers		The professional organization of the faculty and librarians of the University of Toronto and affiliated institutions	https://www.utfa.org/
Toronto	CAUT	Canadian Association of University Teachers		The certified bargaining agent for all tenure-stream faculty and professional librarians at York University.
Toronto	CEP / NABET	UNIFOR - Communications, Energy and Paperworkers Union / National Association of Broadcast Employees and Technicians	Local 700-M, NABET 700	Represents over 1200 of Toronto's Film Technicians.	http://www.nabet700.com/
Toronto	CFS	Canadian Federation of Students	Local 84	The central governing body of graduate students seeks to protect, stimulate and enrich their academic and social interests.	http://yugsa.ca/
Toronto	CFS	Canadian Federation of Students		Comprised of more than 450,000 students from 60 university and college students' unions across the country.	https://www.cfsontario.ca/
Toronto	CMG	Canadian Media Guild	CMG Toronto	Represents Canadian Broadcasting Corporation employees: Programming and Production; Technical and Trades; General Administrative	http://www.cmg.ca/toronto/cbc/
Toronto	COFP	Coalition of Family Physicians		Striving to protect the rights, freedoms and independence of family physicians and to continually improve the health care system.
Toronto	COPE	Canadian Office and Professional Employees	Local 343	Represents Union office personnel, non-profit organizations, Credit Unions, NDP office personnel, United Way office personnel, etc	http://www.cope343.com/
Toronto	COPE	Canadian Office and Professional Employees	Local 550	Represents employees of the Community Care Access Centres (CCAC), Rehab Express and Bridgepoint Community Rehab	http://www.copelocal550.ca/
Toronto	CPMEA	Confidential, Professional, and Managerial Employees Association		Represents all employees in a Confidential, Professional and Managerial (CPM) position at York University	http://yorkcpm.info.yorku.ca/
Toronto	CUBGW	Canadian Union of Brewery and General Workers	Local 325		http://component325.ca/
Toronto	CUPE	Canadian Union of Public Employees	Local 1	Representing 1500 outside clerical, technical and trades workers at Toronto Hydro Electric Commission	https://www.pwu.ca/
Toronto	CUPE	Canadian Union of Public Employees	Local 1230
Toronto	CUPE	Canadian Union of Public Employees	Local 1281	Represents more than 300 workers in 27 workplaces organizing small workplaces no other union will represent.	https://1281.cupe.ca/
Toronto	CUPE	Canadian Union of Public Employees	Local 1328	Represents employees working in four distinct groups, namely OCT, SBESS, Nursery and ESL.	https://cupelocal1328.ca/
Toronto	CUPE	Canadian Union of Public Employees	Local 1356, Local 1356-01, Local 1356-02	Represents York University workers: Caretaking, Housing, Grounds, Maintenance, Parking, Security, Transportation, Vehicles.	https://1356.cupe.ca/
Toronto	CUPE	Canadian Union of Public Employees	Local 1487	Represents employees of Scarborough General Hospital
Toronto	CUPE	Canadian Union of Public Employees	Local 1600	Represents over 400 permanent ,part time and seasonal members
Toronto	CUPE	Canadian Union of Public Employees	Local 2	Representing inside municipal electrical workers	http://www.cupelocal2.com/
Toronto	CUPE	Canadian Union of Public Employees	Local 2073	Represents employees of the Canadian Hearing Society	https://2073.cupe.ca/
Toronto	CUPE	Canadian Union of Public Employees	Local 2190	Represents employees of the Catholic Children's Aid Society of Toronto (CCAST)	https://cupe2190.ca/
Toronto	CUPE	Canadian Union of Public Employees	Local 2191	Represents Developmental services workers in 90 workplaces	https://cupe2191.ca/
Toronto	CUPE	Canadian Union of Public Employees	Local 2316	Represents workers of the Children's Aid Society of Toronto (CAST)	http://cupe2316.ca/
Toronto	CUPE	Canadian Union of Public Employees	Local 2484	Represents childcare workers and support staff at the UofT
Toronto	CUPE	Canadian Union of Public Employees	Local 2497	Represents all of the over 200 front line workers at Dixon Hall.
Toronto	CUPE	Canadian Union of Public Employees	Local 2563	Represents over 400 members employed to provide services involving children and families
Toronto	CUPE	Canadian Union of Public Employees	Local 3173	Represents 75 employees at Community Information Toronto
Toronto	CUPE	Canadian Union of Public Employees	Local 3261	Represents employees at the University of Toronto	https://3261.cupe.ca/
Toronto	CUPE	Canadian Union of Public Employees	Local 3393	Represents over 130 members employed at St. Christopher House.
Toronto	CUPE	Canadian Union of Public Employees	Local 3798	Represents a group of seven agencies providing essential social services to people with multiple needs
Toronto	CUPE	Canadian Union of Public Employees	Local 3902	Represents airport workers	http://local4092.ca/
Toronto	CUPE	Canadian Union of Public Employees	Local 3902	Representing over 2500 teaching assistants and student instructors at the University of Toronto.	https://www.cupe3902.org/
Toronto	CUPE	Canadian Union of Public Employees	Local 3903	Representing the Contract Faculty, Teaching Assistants, Graduate Assistants & Research Assistants at York University	https://3903.cupe.ca/
Toronto	CUPE	Canadian Union of Public Employees	Local 3904	Serves Unit 1 Part-time & Sessional Instructors, Unit 2 Continuing Education Instructors, Unit 3 Teaching & Graduate Assistants	https://cupe3904.ca/
Toronto	CUPE	Canadian Union of Public Employees	Local 3907	Represents all Graduate Assistants at OISE	https://3907.cupe.ca/
Toronto	CUPE	Canadian Union of Public Employees	Local 416	Represents Toronto Civic Employees	https://local416.ca/
Toronto	CUPE	Canadian Union of Public Employees	Local 4308	Represent over 400 members at five community agencies.
Toronto	CUPE	Canadian Union of Public Employees	Local 4358, Local 4358-01, Local 4358-02, Local 4358-03	Represents employees of Onatario Youth Shelters
Toronto	CUPE	Canadian Union of Public Employees	Local 4400	Representing over 7,000 full- and part-time workers, in dozens of job classifications across the former Metro area	https://cupe4400.org/
Toronto	CUPE	Canadian Union of Public Employees	Local 4559	Represents employees of the Canadian Standards Association(operating as CSA Group)	https://4559.cupe.ca/
Toronto	CUPE	Canadian Union of Public Employees	Local 4823	Represents 120 early childhood educators and assistants who provide workplace care for children at eight Kids and Company location
Toronto	CUPE	Canadian Union of Public Employees	Local 4948	Represents 2400 full and part-time library workers in 98 branches as well as in administrative and technical support services.	http://local4948.org/
Toronto	CUPE	Canadian Union of Public Employees	Local 79	Represents City of Toronto technical, professional, support, clerical and recreation workers
Toronto	CUPE	Canadian Union of Public Employees		With more than 240,000 members, CUPE Ontario is a strong voice for rights and fairness for our members and our communities.	https://cupe.on.ca/
Toronto	CUPW	Canadian Union of Postal Workers			http://www.scarboroughcupw.org/
Toronto	CUPW/STTP	Canadian Union of Postal Workers / Syndicat des travailleurs et travailleuses des postes	Local 626	Representing over 10000 members engaged in all phases of the collection, processing, sortation, and delivery of letters & parcels.	http://www.cupw-sttp.ca/
Toronto	CUSW	Canadian Union of Skilled Workers		Represents building trades workers employed by Ontario Hydro Services Company	https://www.cusw.ca/
Toronto	CWA	Communications Workers of America	aptn Branch	Represents employees of the Aboriginal Peoples Television Network
Toronto	DGC	Directors Guild of Canada	DGC Ontario	Represents Production Managers, Production Accountants, First Assistant Directors and Location Managers	https://www.dgc.ca/en/ontario/
Toronto	ETFO	Elementary Teachers' Federation of Ontario	Elementary Teachers of Toronto Local	Represents 11,000 public elementary teachers	https://ett.ca/
Toronto	ETFO	Elementary Teachers' Federation of Ontario	Toronto Occasional Teachers' Local	Represents the 2,000+ occasional teachers who teach in elementary panel classrooms	https://etfo-torots.org/
Toronto	ETFO	Elementary Teachers' Federation of Ontario		Provides advice for ETFO Occasional Teachers; Instructional Supports; and Curriculum Resources
Toronto	GSU	Graduate Students' Union	Local 19	Representing U of T graduate students since 1964
Toronto	IABSORIW	International Association of Bridge, Structural, Ornamental and Reinforcing Iron Workers Union	Local 721		http://iw721.org/
Toronto	IAFF	International Association of Fire Fighters	Local 3888	Representing over 3000 Fire Fighters in the City of Toronto who serve the citizens of this great city.	https://www.torontofirefighters.org/
Toronto	IATSE	International Alliance of Theatrical Stage Employees	Local 411	Represents Production Coordinators, Assistant Coordinators, Production Secretaries, Craft Service Providers, Honey Wagon Operators	https://iatse411.ca/
Toronto	IATSE	International Alliance of Theatrical Stage Employees	Local 58	Members work at Air Canada Centre, Massey Hall, Maple Leaf Gardens, Royal Alexandra Theater, Hummingbird Centre, Roy Thomson Hall	http://www.iatse58.org/
Toronto	IATSE	International Alliance of Theatrical Stage Employees	Local 667	To provide current information to our members, productions and interested individuals.	http://www.iatse667.com/
Toronto	IATSE	International Alliance of Theatrical Stage Employes, Moving Picture Technicians, Artists and Allied Crafts of the United States, Its Territories and C	Local 822	Represent members in Wardrobe, Makeup and Hair crafts in the Live Theatrical setting	http://iatse822.com/
Toronto	IATSE	International Alliance of Theatrical Stage Employees	Local 873		https://www.iatse873.com/
Toronto	IBB	International Brotherhood of Boilermakers, Iron Ship Builders, Blackmiths, Forgers and Helpers	Local 128	The designated bargaining agency for Boilermakers in the Ontario ICI construction Sector representing over 2000 members.	https://128.boilermaker.ca/
Toronto	IBT	International Brotherhood of Teamsters	Local 230
Toronto	IBT	International Brotherhood Of Teamsters	Local 847
Toronto	IFPTE	International Federation of Professional and Technical Engineers	Local 160	An independent trade union of energy industry employees. Representing over 6000 professional engineers, scientists and supervisors	https://www.thesociety.ca/
Toronto	IFPTE	International Federation of Professional and Technical Engineers	Local 164	Represents the interests of professional, technical, scientific, administrative and associated occupations.	https://www.ifpte.ca/
Toronto	IUEC	International Union of Elevator Constructors	Local 50	Represents members that install and maintain elevators, escalators and moving walks.	https://iuec50.org/
Toronto	LIUNA	Laborers' International Union of North America	Local 183	Represents 30,000 workers in a vast array of occupations.	http://www.liunalocal183.ca/
Toronto	LIUNA	Laborers' International Union of North America	Local 506		http://www.local506.ca/
Toronto	LIUNA	Laborers International Union of North America	Local 506
Toronto	OCASA	Ontario College Administrative Staff Association		Represents members interests on issues such as pensions, health plans, rights as employees, terms and conditions of employment.	http://www.ocasa.on.ca/
Toronto	OECTA	Ontario English Catholic Teachers' Association	Toronto Elementary Catholic Teachers' Association		http://www.tect.org/
Toronto	OECTA	Ontario English Catholic Teachers' Association			http://totloecta.org/
Toronto	OECTA	Ontario English Catholic Teachers' Association		Represents 45,000 English-speaking men and women who teach in all grades in the publicly funded Roman Catholic schools	http://www.catholicteachers.ca/
Toronto	OECTA	Ontario English Catholic Teachers' Association		A teachers' association that represents 45,000 professional women and men who teach all grades in publicly funded English Catholic
Toronto	OMA	Ontario Medical Association		Represents the political, clinical and economic interests of the province's 24,000 medical profession	https://www.oma.org/
Toronto	ONA	Ontario Nurses' Association	Local 54	Representing Nurses at The CENTRE FOR ADDICTION & MENTAL HEALTH, Christie Gardens, O'Neill Centre, Belmont House, Livingston Lodge
Toronto	ONA	Ontario Nurses' Association	Local 68	Represents nurses at Humber River Hospital and six nursing homes
Toronto	ONA	Ontario Nurses' Association	Local 97	Represents the Registered Nurses and Medical Radiation Therapists at the University Health Network
Toronto	ONA	Ontario Nurses' Association		Representing 53,000 registered nurses and allied health professionals	https://www.ona.org/
Toronto	OPSEU	Ontario Public Service Employee's Union	Local 502		https://sites.google.com/site/opseu502/
Toronto	OPSEU	Ontario Public Service Employee's Union	Local 503	A composite local of over 400 members, mainly administrative staff, in the Learning Ministries of the Ontario Public Service.	http://opseulocal503.org/
Toronto	OPSEU	Ontario Public Service Employees Union	Local 504		http://www.opseulocal504.org/
Toronto	OPSEU	Ontario Public Service Employee's Union	Local 506	Represents employees of the Ministry of Transportation, and the Ministry of Agriculture.
Toronto	OPSEU	Ontario Public Service Employees Union	Local 506	We are the TEO's of Ontario who take pride in providing Public Safety and Security for the citizens of Ontario.
Toronto	OPSEU	Ontario Public Service Employee's Union	Local 508		https://sites.google.com/site/opseu508/
Toronto	OPSEU	Ontario Public Service Employees Union	Local 5107
Toronto	OPSEU	Ontario Public Service Employee's Union	Local 517	Represents employees of the Toronto West Detention Centre
Toronto	OPSEU	Ontario Public Service Employees Union	Local 520	Representing employees of the Ministry of Municipal Affairs & Housing	http://www.opseu520.org/
Toronto	OPSEU	Ontario Public Service Employees Union	Local 521	Representing employees of Mimico Correctional Centre, Toronto Youth Assessment Centre, Judson Complex
Toronto	OPSEU	Ontario Public Service Employee's Union	Local 523	Represents employees of the Ministry of Tourism
Toronto	OPSEU	Ontario Public Service Employees Union	Local 524	Representing OPSEU members working at the Ministry of Attorney General, 720 and 724 Bay Street and 18 King Street
Toronto	OPSEU	Ontario Public Service Employees Union	Local 527	Represents workers employed at 400 University, 655 Bay St. and 505 University Avenue
Toronto	OPSEU	Ontario Public Service Employee's Union	Local 528
Toronto	OPSEU	Ontario Public Service Employee's Union	Local 532	A composite local of over 500 members	http://www.local532.com/
Toronto	OPSEU	Ontario Public Service Employee's Union	Local 535
Toronto	OPSEU	Ontario Public Service Employee's Union	Local 535	We want good work. We want permanent work. We want full-time work. We want decent work. We want more hours of work.
Toronto	OPSEU	Ontario Public Service Employee's Union	Local 542
Toronto	OPSEU	Ontario Public Service Employee's Union	Local 549	Represents all employees of the Ontario Science Centre in a 3 unit local: OPS Unit, BPS Hurley Unit and BPS Compass Unit.
Toronto	OPSEU	Ontario Public Service Employee's Union	Local 551
Toronto	OPSEU	Ontario Public Service Employee's Union	Local 553
Toronto	OPSEU	Ontario Public Service Employees Union	Local 555
Toronto	OPSEU	Ontario Public Service Employee's Union	Local 556	Represents professors and instructors, and counsellors and librarians at George Brown College.	http://www.opseu556.org/
Toronto	OPSEU	Ontario Public Service Employees Union	Local 558
Toronto	OPSEU	Ontario Public Service Employees Union	Local 560	Representing Full-time & Partial-load Faculty at Seneca College of Applied Arts & Technology	https://opseu560.org/
Toronto	OPSEU	Ontario Public Service Employee's Union	Local 561	Represents over 500 full-time support employees of the Colleges of Applied Arts and Technologies
Toronto	OPSEU	Ontario Public Service Employees Union	Local 562	Represents Teachers, Counsellors and Librarians at Humber College	http://www.opseu562.org/
Toronto	OPSEU	Ontario Public Service Employee's Union	Local 565	Represents employees of the Alcohol and Gaming Commission of Ontario
Toronto	OPSEU	Ontario Public Service Employees Union	Local 568	Represents unionized employees at: The Ontario Heritage Foundation, The Ontario Pension Board, The OPSEU Pension Trust
Toronto	OPSEU	Ontario Public Service Employees Union	Local 571	Represents employees of the University Health Network	http://opseu571.tripod.com/
Toronto	OPSEU	Ontario Public Service Employee's Union	Local 576	Represents employees of the Ontario College of Art & Design University OCADU in Unit1 and Unit 2	https://www.opseulocal576.org/
Toronto	OPSEU	Ontario Public Service Employee's Union	Local 577	Represents members emolpyed in Laboratory, Diagnostic Imaging, Respiratory Therapy, Sleep Lab, Cardiology, Echocardiology
Toronto	OPSEU	Ontario Public Service Employees Union	Local 585		https://sites.google.com/site/opseulocal585/
Toronto	OPSEU	Ontario Public Service Employees Union	Local 596	Represents Support Staff for Ryerson University	https://www.opseulocal596.org/
Toronto	OPSEU	Ontario Public Service Employees Union	Local 596	Representing employees of Ryerson University
Toronto	OPSEU	Ontario Public Service Employee's Union	Region 5		http://opseuregion5.com/
Toronto	OPSEU	Ontario Public Service Employee's Union	Region 5	OPSEU Region 5 Womens Committee
Toronto	OPSEU	Ontario Public Service Employees Union		The third largest province-wide union represents 100,000 full- and part-time members, in 500 locals, maintaining 20 offices.	https://opseu.org/
Toronto	OPSEU / SEFPO	Ontario Public Service Employees Union / Syndicat des employées de la fonction publique			https://sefpo.org/
Toronto	OPSSU	Ontario Public Service Staff Union		Represents the 322 front line staff of the Ontario Public Service Employees Union.	http://www.opssu.ca/
Toronto	OSCA	Ontario School Counsellors' Association			https://www.osca.ca/
Toronto	OSSTF	Ontario Secondary School Teachers' Federation	District 12	Representing counsellors, audiologists, consultants, therapists and other professional workers	http://pssp.on.ca/
Toronto	OSSTF	Ontario Secondary School Teachers' Federation	District 12	Serving the Toronto's secondary occasional teachers	http://www.otbud12.com/
Toronto	OSSTF	Ontario Secondary School Teachers' Federation	District 12
Toronto	OSSTF	Ontario Secondary School Teachers' Federation	District 12	To serve the needs of District 12 Secondary Teacher members
Toronto	OSSTF	Ontario Secondary School Teachers' Federation	District 30	Representing teachers in Provincial Schools for the Deaf, Blind, Deaf/Blind, Adult Correction and Young Offender Facilities.
Toronto	OWU	Ontario Workers' Union		Founded on the belief that there is a genuine need to get back to the grass roots principles of the trade union movement.
Toronto	PAIRO	Professional Association of Internes & Residents of Ontario		To negotiate the Collective Agreement covering terms and conditions of employment with the Council of Academic Hospitals (CAHO).	http://www.myparo.ca/
Toronto	PEGO	Professional Engineers Government of Ontario		Representing Professional Engineers and Ontario Land Surveyors working directly for the Government of the Province of Ontario.	https://www.pego.on.ca/
Toronto	PIPSC	Professional Institute of the Public Service of Canada	CFIA Toronto Branch	Represents employees of the Canadian Food Inspection Agency
Toronto	PIPSC	Professional Institute of the Public Service of Canada	Greater Toronto Area Branch		https://www.pipsc.ca/regions/ontario/branches/gta-on
Toronto	PIPSC	Professional Institute of the Public Service of Canada	Toronto Centre AFS Branch	Represents employees of the Audit, Financial and Scientific Group	https://www.pipsc.ca/regions/ontario/branches/toronto-centre-cra-on
Toronto	PIPSC	Professional Institute of the Public Service of Canada	Toronto East Branch		https://www.pipsc.ca/regions/ontario/branches/toronto-east-cra-on
Toronto	PIPSC	Professional Institute of the Public Service of Canada	Toronto Environment Branch		https://www.pipsc.ca/regions/ontario/branches/toronto-ecc-on
Toronto	PIPSC	Professional Institute of the Public Service of Canada	Toronto North Branch		https://www.pipsc.ca/regions/ontario/branches/toronto-north-cra-on
Toronto	PIPSC	Professional Institute of the Public Service of Canada	Toronto West Branch		https://www.pipsc.ca/regions/ontario/branches/toronto-west-cra-on
Toronto	PIPSC	Professional Institute of the Public Service of Canada		Represents employees of the Cancer Care Ontario Radiation Therapy Group at the Toronto Sunnybrook Regional Cancer Centre.	http://www.pipsc.ca/groups/sun-rt
Toronto	PIPSC	Professional Institute of the Public Service of Canada			https://www.pipsc.ca/groups/mp
Toronto	PIPSC	Professional Institute of the Public Service of Canada			https://www.pipsc.ca/groups/sun-met
Toronto	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 137	Represents members with: Indian and Northern Affairs Ontario
Toronto	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 210	Represents members with: Passport Office
Toronto	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 220	Represents members with: Industry Canada, Federal Economic Development Initiative in Northern Ontario Region
Toronto	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 258	Represents members with: Labour Canada / CILR Toronto
Toronto	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 34	Represents employees of the Toronto SSO Field Interviewers Office
Toronto	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 381	Represents 13 members with: National Archives Toronto
Toronto	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 58	Represents employees of the Statistics Canada Toronto (combined TB / SSO Local)
Toronto	PSAC / AFPC	Public Service Alliance of Canada / Alliance de la Fonction Publique du Canada	Local 87	Represents members with: Industry Canada, Federal Economic Development Initiative in Northern Ontario Region
Toronto	RFA	Ryerson Faculty Association		Represents 511 members including all Full-Time Faculty, Professional Librarians and Professional Counsellors.
Toronto	SEIU	Service Employees International Union	Local 2	Represents over 5,500 workers	http://seiulocal2.ca/
Toronto	SEIU	Service Employees International Union	Local 204	25,000 members working at Hospitals, Nursing Homes, Home Care, amd many more in both the Public Sector and the Private Sector
Toronto	SEIU	Service Employees International Union	Local 528	Represents workers in the gaming sector: horse racing, casinos, slot operations, the bingo industry, related industries & services
Toronto	SFA	Silver Fox Alliance		This alliance of Canadian Private Sector seniors and pensioners is committed to creating Justice in Bankruptcy once and for all
Toronto	SMWIA	Sheet Metal Workers International Association	Local Union 30	Represents highly skilled men and women in the Industrial, Commercial, Institutional sectors of the Sheet Metal & Roofing Industry	http://www.smwia-l30.com/
Toronto	SONG	Southern Ontario Newsmedia Guild	Local 87-M	Represents the Toronto Star newspaper's 765 unionized staff in areas including editorial, advertising and circulation.	http://www.wearethestar.ca/
Toronto	TCRC	Teamster Canada Rail Conference	Division 295		http://www.tcrc295.com/
Toronto	TCRC	Teamster Canada Rail Conference	Division 660	Proudly representing workers employed by Bombardier in the operation and maintenance of GO Trains	http://division660.ca/
Toronto	TCRC	Teamster Canada Rail Conference	Division 747		http://division747.ca/
Toronto	TPA	Toronto Police Association		Provides information about the Police Association and its aims	https://www.tpa.ca/
Toronto	TPSSOO	Toronto Police Service Senior Officers' Organization		The bargaining agent for both senior police and civilian members.	http://tpssoo.org/
Toronto	TWU	Telecommunications Workers Union	Local 502
Toronto	UA	United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada	Local 46		http://www.ualocal46.org/
Toronto	UBCJA	United Brotherhood of Carpenters and Joiners of America	Local 2309	Comprised of 950 members
Toronto	UFCW	United Food and Commercial Workers	Local 1000A	Representing over 26,000 workers across Ontario	http://www.ufcw1006a.ca/
Toronto	UFCW	United Food and Commercial Workers	Local 12R24	12 or 24. Represents over 6,000 warehousing, retail and delivery employees of The Beer Store	http://www.ufcw12r24.ca/
Toronto	UFCW	United Food and Commercial Workers	Local 326	Member site - Jim McCron	http://proposals0.tripod.com/326/index.html
Toronto	UFCW	United Food and Commercial Workers	Local 333	Represents workers in the security and hospitality sectors	https://www.ufcw333.ca/
Toronto	UH	UNITE HERE	Local 75		https://www.uniteherelocal75.org/
Toronto	UNIFOR / CAW - TCA	UNIFOR / Canadian Auto Workers - Travailleurs Canadiens de l'Automobile	Local 4003
Toronto	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 112	Representing workers employed in aircraft and aerospace, heavy equipment manufacturing, robotics, foam manufacturing	https://www.unifor112.ca/
Toronto	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 1459	Represents 500 active members and 200 retired members at the DaimlerChrysler Etobicoke Casting Plant	http://uniforlocal1459.org/
Toronto	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 2000	Represents communications technicians
Toronto	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 2002 District 301 YYZ	Represents Air Canada employees at the Toronto Airport (Pearson) & Departure Control Centre	http://yyzdistrict301.com/
Toronto	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 2003	Representing the Operating Engineers at the University of Toronto	http://www.uniforlocal2003.ca/
Toronto	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 2007	Represents mutuel employees of the Woodbine Entertainment Group WEG	http://www.cawlocal2007.ca/
Toronto	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 385	Represents the Thorncliffe Coca-Cola workers
Toronto	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 40	Represents 1400 members in manufacturing, hotel, textile, auto service, protection services, office and in the health care sectors	http://www.uniforlocal40.org/
Toronto	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 512	Represents over 450 workers, in various industries including Auto, Machinning, Tool and Die, Turbine Coils, and WSIB services.
Toronto	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 673	Represents office workers at Bombardier Aerospace, Boeing Canada Ltd., Macdonald-Dettwiler Robotics, SPAR Aerospace, Green Shield	http://uniforlocal673.org/
Toronto	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 7378	The Sunwing Pilots Union represents employees of Sunwing Canada	http://www.sunwingpilots.com/
Toronto	UNIFOR CAW	UNIFOR Canadian Auto Workers		Represents workers in all areas of the gaming industry
Toronto	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 1996	Represents communications workers	http://unifor1996-o.ca/
Toronto	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 25	We are a Union Local representing technicians employed at Bell Canada	http://www.unifor25.com/
Toronto	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 27C	Represents employees of Bell, Nexacor, Expertech	http://www.unifor27c.ca/
Toronto	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 333	An amalgamated union local comprised of over 30 bargaining units
Toronto	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 591G	Unifor strives to protect the economic rights of our members and every member of the workforce (employed or unemployed).	http://www.unifor591g.com/
Toronto	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 591G	The graphics local has grown through mergers to become a composite local
Toronto	UNIFOR CEP	Communications, Energy and Paperworkers	Local 6006	A composite local comprised of Bell Clerical membership and members from Yellow Pages Group (YPG).	http://www.cep6006.ca/
Toronto	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 6006	Represents Bell Canada & YPG employees	http://www.unifor6006.com/
Toronto	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 6007	Serving nearly 1500 members throughout Ontario, working within Bell Canada, Bell Canada Sales and Comtech Credit Union.	http://www.unifor6007.com/
Toronto	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 720-M	Represents employees of CTV Television, Division of Bell Media Inc.	http://unifor720m.ca/
Toronto	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 723-M	Representing CITY-TV employees	https://www.unifor723m.org/
Toronto	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 72M	Represents English and French employees working as production, transmitter, and maintenance technicians, researchers, education,	http://www.local72m.com/
Toronto	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 79M	Represents Technicians, Administrative Staff, Production Staff and Journalists at CTV's production facilities	http://unifor79m.ca/
Toronto	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 87-M	Serves employees in newspapers, magazines, book publishing, television & specialty broadcasting, radio, internet across 26 units	http://unifor87m.org/
Toronto	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 975	Represents workers at: Accenture Business Services for Utilities Inc.; DirectEnergy Marketing Ltd.; Enbridge Gas Distribution Ltd.	http://www.unifor975.org/
Toronto	USW	United Steelworkers	Local 1998	Represents administrative and technical staff at the University of Toronto, Victoria University and St. Michael's College.	http://www.usw1998.ca/
Toronto	USW	United Steel Workers	Local 8300 - Unit 40	Represents employees of Strategic Communications Inc.
Toronto	USW	United Steelworkers	Local 9511	Represents Driver Examiners and Customer Service Agents at DRIVE TEST	http://www.usw9511.ca/
Toronto	UTE - SEI	Union of Taxation Employees - Syndicat des employé-e-s de l'Impôt	Local 51	Represents members employed at the Toronto West Tax Services Office for the Canada Revenue Agency	http://www.utelocal51.org/
Toronto	UTSA	University of Toronto Staff Association		Closed down because of successful USWA organizing effort.
Toronto	YusApuY	York University Staff Association / Association du Personnel de l'Universite York		The exclusive bargaining agent of all its employees performing office, clerical, laboratory or technical work	http://www.yusapuy.ca/
Toronto		Metro Cable TV Maintenance and Services Employees Association		Representing employees within a number of job classications employed by Metro Cable	http://www.metrocable.org/
Toronto		Toronto Symphony Orchestra Musicians
Unionville	APOC / AOPC	Association of Postal Officials of Canada / Association des officiers des postes du Canada	York Branch		http://www.apocyork.com/
Val Caron	OSSTF	Ontario Secondary School Teahers Federation	District 31 Franco-Nord Ontarien	Represents Education Assistants, On-Call Temporary, Lunchroom Supervisors
Val Caron	OSSTF	Ontario Secondary School Teachers' Federation	District 31 Unité 57		http://www.feeso57.ca/
Vaughn	IAFF	International Association of Fire Fighters	Local 1595		https://vaughanfirefighters.org/
Walaceburg	CUPE	Canadian Union of Public Employees	Local 1238	Represents employees of the Lambton Kent District School Board	https://1238.cupe.ca/
Wallaceburg	APSSP	Association of Professional Student Services Personnel	St Clair Chapter	Represents 20 student services professionals employed at the St Clair Catholic District School Board
Wallaceburg	ETFO	Elementary Teachers' Federation of Ontario	Lambton Kent Local		https://www.lketfo.com/
Wallaceburg	UAW	United Auto Workers	Local 251	Represents workers from automotive, healthcare, councilors, rail forgings, sports equipment and more.
Waterford	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 4268	Represents workers in short and long-haul trucking, school bus drivers, expedite freight, dock workers and mechanics in trucking	http://www.cawlocal.ca/4268/
Waterloo	CAUT	Canadian Association of University Teachers
Waterloo	CAUT	Canadian Association of University Teachers		Representing the interests of faculty members in a wide range of areas which affect them at the University.
Waterloo	CFS	Canadian Federation of Students	Local 56	To enhance Laurier Graduate Student experiences by providing needed representation, services, and resources.	http://www.wlugsa.ca/
Waterloo	CUPE	Canadian Union of Public Employees	Local 2512	Represents clerical and secretarial support staff, education assistants, AV, computer and library technicians	https://cupe2512.ca/
Waterloo	CUPE	Canadian Union of Public Employees	Local 791	Serves members at the City of Kitchener - Inside Workers, EMS Paramedics - Waterloo Region, CCAC (Community Care Access Centre).	https://791.cupe.ca/
Waterloo	CUPE	Canadian Union of Public Employees	Local 793	Represents employees of the 793 University of Waterloo
Waterloo	ETFO	Elementary Teachers' Federation of Ontario		Supports 2400 public elementary teachers, in 100 schools, serving 40000 students.
Waterloo	IAFF	International Association of Fire Fighters	Local 791
Waterloo	OSSTF	Ontario Secondary School Teachers' Federation	District 24 Upper Canada
Waterloo	OSSTF	Ontario Secondary School Teachers' Federation	District 35	Consists of nearly 400 support staff employees at WLU, most of whom are women.	http://www.wlusa.ca/
Waterloo	UA	United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada	Local 527		http://www.ua527.com/
Waterloo	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 4304	Representing the employees of Grand River Transit	https://unifor4304.org/
Waterloo	UWGSA	University of Waterloo Graduate Student Association			https://uwaterloo.ca/graduate-student-association/
Waterloo	UWSA	University of Waterloo Staff Association		The official voice for staff in all decision making with the University representing all non-union, non-academic employees.	https://uwaterloo.ca/staff-association/
Waterloo	WLUFA	Wilfrid Laurier University Faculty Association		Promoting the welfare and interests of the Faculty members and Librarians of Wilfrid Laurier University	https://www.wlufa.ca/
Welland	CUPE	Canadian Union of Public Employees	Local 1263	Represents employees Homes for the Aged, Retirement Homes, and a Mental Health Agency	http://1263.cupe.ca/
Welland	CUPE	Canadian Union of Public Employees	Local 1317	Represents employees of the Niagara Catholic District School Board	https://1317.cupe.ca/
Welland	IAFF	International Association of Fire Fighters	Local 481
Welland	OECTA	Ontario English Catholic Teachers' Association
Welland	OECTA	Ontario English Catholic Teachers' Association
Welland	OECTA	Ontario English Catholic Teachers' Association
Welland	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 275	Comprised of five units representing 849 active workers
Welland	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 523	Represents workers at Stelpipe, Welland Forge and the City of Welland
Welland	USW	United Steelworkers	Local 455	Represents employees of Henniges Automotive
Whitby	DRPA	Durham Regional Police Association		Represents over 1100 Uniform and Civilian members that are the employees of the Durham Regional Police Services.	https://www.drpa.ca/
Whitby	ETFO	Elementary Teachers' Federation of Ontario	Durham Occasional Teacher Local		https://etfodotl.com/
Whitby	ETFO	Elementary Teachers' Federation of Ontario	ETFO Durham		https://etfodurham.ca/
Whitby	IAFF	International Association of Firefighters	Local 2036		http://www.iaff2036.org/
Whitby	OECTA	Ontario English Catholic Teachers' Association		Represent 900 teachers teaching in 39 publicly funded Catholic Elementary schools	https://durhamelementary.ca/
Whitby	OECTA	Ontario English Catholic Teachers' Association			https://www.oectadurhamsecondary.com/
Whitby	OPSEU	Ontario Public Service Employees Union	Region 3	Represents 20,000 members
Whitby	OSSTF	Ontario Secondary School Teachers' Federation	District 13 Durham
Windsor	AFM	American Federation of Musicians	Local 566
Windsor	BAC	International Union of Bricklayers and Allied Craftworkers	Local 6		http://www.local6on.org/
Windsor	BAC	International Union of Bricklayers and Allied Craftworkers	Local 6
Windsor	CAUT	Canadian Association of University Teachers		Represents over 750 faculty, librarians, ancillary academic staff and sessional members at the University of Windsor.	https://www.wufa.ca/
Windsor	CUPE	Canadian Union of Public Employees	Local 1001	Representing Groundskeepers, Maintenance, Custodial, Housekeeping, and Food Services Employees of the University of Windsor	https://1001.cupe.ca/
Windsor	CUPE	Canadian Union of Public Employees	Local 1358	Represents employees of the Windsor - Essex Catholic District School Board
Windsor	CUPE	Canadian Union of Public Employees	Local 4580	Represents graduate and teaching assistants at the University of Windsor	https://4580.cupe.ca/
Windsor	CUPE	Canadian Union of Public Employees	Local 82		https://cupe82.ca/
Windsor	CUPE	Canadian Union of Public Employees		Represents 282 professional staff providing important services for faculty, staff and students at the University of Windsor.	http://www1.uwindsor.ca/cupe1393/
Windsor	IAFF	International Association of Fire Fighters	Local 455		http://www.windsorfirefighters.org/
Windsor	IBEW	International Brotherhood of Electrical Workers	Local 773	Represents over 350 active members, and over 120 Retiree's
Windsor	IBT	International Brotherhood of Teamsters	Local Union 880
Windsor	LIUNA	Laborers' International Union of North America	Local 625		http://liuna625.ca/
Windsor	OECTA	Ontario English Catholic Teachers' Association			http://weot.ca/
Windsor	OPSEU	Ontario Public Service Employees Union	Local 137	Represents employees of St Clair College of Applied Arts and Technology.	http://opseulocal137.blogspot.com/
Windsor	OPSEU	Ontario Public Service Employees Union	Local 138
Windsor	PIPSC	Professional Institute of the Public Service of Canada	Essex-Kent Branch		https://www.pipsc.ca/regions/ontario/branches/essex-kent-on
Windsor	PIPSC	Professional Institute of the Public Service of Canada		Represents Windsor Radiation Therapists employed at the Windsor Regional Cancer Centre	https://www.pipsc.ca/groups/wrh-rt
Windsor	SMWIA	Sheet Metal Workers' International Association	Local 235		http://www.smwia-local235.com/
Windsor	UA	United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada	Local 552	Represents over 450 highly skilled Plumbers, Steamfitters and Welders
Windsor	UBCJA	United Brotherhood of Carpenters and Joiners of America	Local 1244	Comprised of 224members
Windsor	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 100	Employed by: Canadian National, VIA Rail, Carlton Trail, Hudson Bay Rail, Autoport, Alstom, Essex Terminal, Railink, Algoma Rail	https://www.uniforlocal100.com/
Windsor	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 1498	Represents Technical, Office, and Professional workers with DaimlerChrysler Canada
Windsor	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 195	Representing workers since 1936, has over 72 units and 7000 members strong.	https://unifor195.com/
Windsor	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 1959	Represents employees of the Rock Salt Unit (Ojibway Plant) and the Fine Salt Unit (Evaporating Plant).	https://www.uniforlocal1959.org/
Windsor	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 200	Representing Ford workers at the Essex Aluminum, Essex Engine, Windsor Aluminum, Windsor Casting, Windsor Engine plants	https://www.uniforlocal200.org/
Windsor	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 240	An amalgamated local of 12 units with over 660 members
Windsor	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 2458	Represents University of Windsor employees	http://athena.uwindsor.ca/caw2458/
Windsor	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 2458		http://cronus.uwindsor.ca/caw2458/
Windsor	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 2458	Represents 4000 Members in Health Care, Education and the Private Sector, in 53 Bargaining Units	https://uniforlocal2458.ca/
Windsor	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 444	Serving Windsor Ontario Casino Workers	http://unifor444casino.ca/
Windsor	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 444	An amalgamated local representing employees of the auto, casino, communication, fishery, power generation sectors	https://www.uni444.ca/
Windsor	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 47	Represents communications employees of Bell Subco
Windsor	UNIFOR CEP	UNIFOR Communications, Energy and Paperworkers Union	Local 758	Representing employees of the natural gas distribution company Union Gas Ltd.	http://www.uniongascouncil.com/index.php?categoryid=16
Windsor	WPA	Windsor Police Association		Represents 630 members	http://www.windsorpa.ca/
Wingham	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 4207	Represents 750 members who work at Wescast Industries and Bi-ax International
Woodstock	UNIFOR CAW	UNIFOR Canadian Auto Workers	Local 636	Represent workers in a variety of sectors including Automotive, Health Care, Fabrication, Manufacturing and the Food Industry.	https://www.facebook.com/UNIFOR-Local-636-158810270844835/
Yarker	ETFO	Elementary Teachers' Federation of Ontario	Limestone Occasional Teachers' Local		http://www.limestoneots.ca/
York	IAFF	International Association of Fire Fighters	Local 3888	An electronic community for former members of the City of York Fire Department, and our friends and visitors.