- AFSCME
- AFSCME Hotline
- Amalgamated Transit Union
- Building & Construction Trades
- Carpenters Union 152
- IBEW
- Laborers International Union
- Painters & Allied Trade Union
- Paper Allied Ind Chemical
- Plumbers & Steamfitters
- Plumbers Joint Apprenticeship
- Public Employees Union
- Teamsters Union Local
- United Food & Commercial Wrkrs
- United Professional Fire Fghtr
- USW Local 5
