General Government
- Service Employees International Union (SEIU) 1199 NW
- Coalition
- International Federation of Professional and Technical Engineers (IFPTE) Local 17
- Teamsters Local 117
- United Food and Commercial Workers (UFCW) Local 21
- Washington Federation of State Employees (WFSE) - General Government
- Washington Public Employees Association (WPEA) - General Government
Higher Education
Washington State Ferries
- Ferry Agents, Supervisors and Project Administrators Association (FASPAA)
- Inlandboatmen's Union of the Pacific (IBU)
- Marine Engineer Beneficial Association (MEBA) Licensed Engineer Officers
- MEBA Unlicensed Engine Room Employees
- Metal Trades Unions
- Masters, Mates and Pilots (MM&P)
- MM&P Marine Operations Watch Supervisors
- Office and Professional Employees International Union (OPEIU) Local 8
- SEIU Local 6
Washington State Patrol
- Washington State Patrol Lieutenants Association (WSPLA)
- Washington State Patrol Troopers Association (WSPTA)
Other
Important: Updates may be added at the end of each contract under the heading of MOU (Memorandum of Understanding.)
