- AFL-CIO
- Actor's Equity Association (AEA)
- Air Line Pilots Association (ALPA)
- Amalgamated Transit Union (ATU)
- American Federation of Government Employees (AFGE)
- American Federation of Musicians of the United States and Canada (AFM)
- American Federation of School Administrators (AFSA)
- American Federation of State, County and Municipal Employees (AFSCME)
- American Federation of Teachers (AFT)
- American Guild of Musical Artists (AGMA)
- American Postal Workers Union (APWU)
- American Radio Association (ARA)
- American Train Dispatchers Association (ATDA)
- Associated Actors and Artistes of America (4As)
- Bakery, Confectionery, Tobacco Workers and Grain Millers International Union (BCTGM)
- Brotherhood of Railroad Signalmen (BRS)
- California School Employees Association (CSEA)
- Communications Workers of America (CWA)
- ● AFA-CWA - Association of Flight Attendants
- ● IUE-CWA - Industrial Union of Electronic Workers
- ● NABET-CWA - National Association of Broadcast Employees and Technicians
- ● PPMW-CWA - Printing, Publishing and Media Workers, CWA
- ● TNG-CWA - The Newspaper Guild
- Farm Labor Organizing Committee (FLOC)
- 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 (Ironworkers)
- International Association of Fire Fighters (IAFF)
- International Association of Heat and Frost Insulators and Allied Workers (HFIU)
- International Association of Machinists and Aerospace Workers (IAM)
- International Association of Sheet Metal, Air, Rail and Transportation Workers (SMART)
- International Brotherhood of Electrical Workers (IBEW)
- International Brotherhood of Teamsters (IBT)
- International Federation of Professional and Technical Engineers (IFPTE)
- International Organization of Masters, Mates & Pilots (MM&P)
- International Union of Allied, Novelty and Production Workers (Novelty and Production Workers)
- International Union of Bricklayers and Allied Craftworkers (BAC)
- International Union of Elevator Constructors (IUEC)
- International Union of Operating Engineers (IUOE)
- International Union of Painters and Allied Trades of the United States and Canada (IUPAT)
- International Union of Police Associations (IUPA)
- Laborers' International Union of North America (LIUNA)
- National Association of Letter Carriers (NALC)
- National Education Association (NEA)
- National Taxi Workers Alliance (NTWA)
- National Women's Soccer League Players Association (NWSLPA)
- NFL Players Association (NFLPA)
- Office and Professional Employees International Union (OPEIU)
- Operative Plasterers' and Cement Masons' International Association of the United States and Canada (OPCMIA)
- Service Employees International Union (SEIU)
- Screen Actors Guild-American Federation of Television and Radio Artists (SAG-AFTRA)
- Seafarers International Union of North America (SIU)
- Transport Workers Union of America (TWU)
- UNITE HERE (UNITE HERE)
- United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada (UA)
- United Automobile, Aerospace & Agricultural Implement Workers of America International Union (UAW)
- United Food and Commercial Workers International Union (UFCW)
- ● Retail, Wholesale and Department Store Union (RWDSU-UFCW)
- United Mine Workers of America (UMWA)
- United Steel, Paper and Forestry, Rubber, Manufacturing, Energy, Allied Industrial & Service Workers International Union (USW)
- ● Glass, Molders, Pottery, Plastics & Allied Workers International Union (GMP-USW)
- United Union of Roofers, Waterproofers and Allied Workers (Roofers and Waterproofers)
- Utility Workers Union of America (UWUA)
- ● Workers United, a SEIU Affiliate
- Writers Guild of America, East (WGAE)
- National Labor Relations Board Union (NLRBU)
