Labor Unions
- AFSCME Council 75
- Amalgamated Transit Union
- American Federation of Teachers - Oregon
- Association of Western Pulp & Paper Workers (AWPPW)
- Bricklayers 1
- IBEW Local 48
- IBEW Local 125
- IBEW Local 280
- IBEW Local 932
- International Longshore & Warehouse Union
- Ironworkers 29
- Ironworkers Local 29
- OR Building Trades
- OR Building Trades Council
- Oregon AFL-CIO
- Oregon School Employees Association (OSEA)
- Oregon State Fire Fighters Council
- Pacific Northwest Regional Council of Carpenters
- SEIU Local 49
- SEIU Local 503-OPEU
- SEIU Oregon State Council
- Sheet Metal-Air-Rail and Transportation Local #16
- United Assn. of Plumbers-Steamfitters & Marine Fitters Local 290