Labor Unions
- Amalgamated Transit Union Local 757
- American Federation of Teachers - Oregon
- IBEW Local 48
- IBEW Local 125
- IBEW Local 280
- IBEW 932
- IronworkersNW PAC
- Multnomah County Prosecuting Attorney's Association
- Oregon & Southern Idaho District Council of Laborers
- Oregon AFL-CIO
- Oregon AFSCME Council 75
- Oregon School Employees Association (OSEA)
- Oregon State Fire Fighters Council
- Pineros y Campesinos Unidos del Noroeste (PCUN)
- SEIU Local 49
- SEIU Local 503-OPEU
- SEIU Oregon State Council
- SMART Local 16
- UA Local 290
- United Food & Commercial Workers (UFCW) Local 555