Unions

United Auto Workers (UAW)
Communication Workers of America (CWA)
International Association of Fire Fighters (IAFF)
International Association of Bridge, Structural and Ornamental Ironworkers
Glass, Molders, Pottery, Plastics, and Allied Workers International Union
AFL-CIO
Sheet Metal Workers International Association
Laborers' International Union of North America (LIUNA)
Service Employees International Union (SEIU)
Amalgamated Transit Union
International Brotherhood of Teamsters
United Food and Commercial Workers Union (UFCW)
Office and Professional Employees International Union (OPEIU)