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- Arizona Alliance for Retired Americans (AARA)
- American Federation of Government Employees (AFGE)
- American Federation of State, County and Municipal Employees (AFSCME)
- American Federation of Teachers (AFT)
- American Postal Workers Union (APWU)
- Amalgamated Transit Union (ATU)
- Bricklayers and Allied Craftworkers (BAC)
- Bakery, Confectionery, Tobacco Workers and Grain Millers' International Union (BCTGM)
- Communications Workers of America (CWA)
- International Association of Machinists and Aerospace Workers (IAMAW)
- International Alliance of Theatrical Stage Employees (IATSE)
- International Brotherhood of Boilermakers (IBB)
- International Brotherhood of Electrical Workers (IBEW)
- International Brotherhood of Teamsters (IBT)
- International Union of Operating Engineers (IUOE)
- International Union of Painters and Allied Trades (IUPAT)
- Iron Workers (IW)
- Laborers' International Union of North America (LIUNA)
- National Association of Letter Carriers (NALC)
- Office and Professional Employees International Union (OPEIU)
- Service Employees International Union (SEIU)
- Sheet Metal, Air, Rail & Transportation (SMART)
- United Association of Plumbers and Pipefitters (UA)
- United Food and Commercial Workers (UFCW)
- UNITE HERE
- United Steel Workers (USW)
