The organizations listed below constitute the Canadian Labour Congress, the national federation of trade unions:
National
- Alliance of Canadian Cinema, Television and Radio Artists (ACTRA)
- Association of Canadian Financial Officers (ACFO)
- British Columbia Teachers' Federation (BCTF)
- Canadian Association of Professional Employees (CAPE)
- Canadian Federation of Nurses Unions (CFNU)
- British Columbia Nurses’ Union
- Canadian Nursing Students’ Association
- Manitoba Nurses Union
- New Brunswick Nurses Union
- Nova Scotia Nurses' Union
- Ontario Nurses' Association
- Prince Edward Island Nurses' Union
- Registered Nurses’ Union Newfoundland & Labrador
- Saskatchewan Union of Nurses
- United Nurses of Alberta
- Canadian Office and Professional Employees Union (COPE)
- Canadian Postmasters and Assistants Association (CPAA)
- Canadian Union of Postal Workers (CUPW)
- Canadian Union of Public Employees (CUPE)
- Congress of Union Retirees of Canada (CURC)
- Directors Guild of Canada (DGC)
- Elementary Teachers' Federation of Ontario (ETFO) (external website)
- FTQ-Construction
- National Union of Public and General Employees (NUPGE)
- British Columbia General Employees' Union
- Canadian Union of Brewery and General Workers
- Health Sciences Association of Alberta
- Health Sciences Association of British Columbia
- Health Sciences Association of Saskatchewan
- Manitoba Association of Health Care Professionals
- Manitoba Government and General Employees' Union
- New Brunswick Union of Public and Private Employees
- Newfoundland and Labrador Association of Public and Private Employees
- Nova Scotia Government and General Employees Union
- Ontario Public Service Employees Union
- Prince Edward Island Union of Public Sector Employees
- Saskatchewan Government and General Employees' Union
- National Union of the Canadian Association of University Teachers (NUCAUT)
- Acadia University Faculty Association
- Brandon University Faculty Association
- British Columbia Institute of Technology Faculty & Staff Association
- Brock University Faculty Association
- Cape Breton University Faculty Association
- Carleton University Academic Staff Association
- Concordia University Faculty Association
- Faculty Association of the University of St. Thomas
- Federation of Post-Secondary Educators of BC
- Laurentian University Faculty Association
- Lecturers’ Union of Memorial University of Newfoundland
- McMaster University Academic Librarians' Association
- Memorial University of Newfoundland Faculty Association
- Mount Allison Faculty Association
- Mount Saint Vincent University Faculty Association
- Queen's University Faculty Association
- Royal Roads University Faculty Association
- Saint Mary's University Faculty Union
- St. Thomas More College Faculty Union
- Trent University Faculty Association
- University of Manitoba Faculty Association
- University of Northern British Columbia Faculty Association
- University of Prince Edward Island Faculty Association
- University of Saskatchewan Faculty Association
- University of Winnipeg Faculty Association
- Windsor University Faculty Association
- Wilfrid Laurier University Faculty Association
- York University Faculty Association
- Ontario English Catholic Teachers' Association (OECTA)
- Ontario Secondary School Teachers' Federation (OSSTF)
- Professional Institute of the Public Service of Canada (PIPSC)
- Public Service Alliance of Canada (PSAC)
- Shipyard General Workers' Federation of British Columbia (SGWBC)
International
- Air Line Pilots Association, International (ALPA)
- Amalgamated Transit Union (ATU)
- American Federation of Musicians of the United States and Canada (AFM/CFM)
- Bakery, Confectionery, Tobacco Workers and Grain Millers' International Union (BCTGM)
- Communications Workers of America
- Communications Workers of America | CANADA (CWA Canada)
- International Alliance of Theatrical Stage Employees, Moving Picture Technicians, Artists and Allied Crafts of the United States, Its Territories and Canada (IATSE)
- International Association of Bridge, Structural, Ornamental and Reinforcing Iron Workers (ABSORIW)
- International Association of Fire Fighters (IAFF)
- International Association of Heat and Frost Insulators and Allied Workers (IAHFIAW)
- International Association of Machinists and Aerospace Workers (IAMAW)
- International Association of Sheet Metal, Air, Rail and Transportation Workers (SMART)
- International Brotherhood of Electrical Workers (IBEW)
- International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and Helpers (IBB)
- International Federation of Professional and Technical Engineers (IFPTE)
- International Longshore and Warehouse Union (ILWU)
- International Longshoremen's Association (ILA)
- International Plate Printers, Die Stampers and Engravers' Union of North America (IPPDSEU)
- International Union of Bricklayers and Allied Craftworkers (BAC)
- International Union of Operating Engineers (IUOE)
- International Union, United Automobile, Aerospace and Agricultural Implement Workers of America (UAW) - aka United Auto Workers
- International Union of Painters and Allied Trades (IUPAT)
- Laborers' International Union of North America (LiUNA)
- Office and Professional Employees International Union (OPEIU)
- Seafarers International Union of North America (SIU)
- Service Employees International Union (SEIU)
- UNITE HERE
- United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada (UA) - aka United Association
- United Food and Commercial Workers International Union (UFCW)
- United Mine Workers of America (UMW)
- United Steel, Paper and Forestry, Rubber, Manufacturing, Energy, Allied-Industrial and Service Workers International Union (USW) aka United Steelworkers
