United Firefighters of Los Angeles City (UFLAC) Local 112
American Federation of State, County, Municipal Employees (AFSCME) District Council 36
Service Employees International Union (SEIU) Local 721
International Brotherhood of Electrical Workers Local 11
International Brotherhood of Electrical Workers Local 18
Laborers International Union of North America (LiUNA) Local 777
Operating Engineers Local 501
Los Angeles Professional Managers Association
Southern California Pipe Trades District Council 16
- United Association Local 078 (Plumbers)
- United Association Local 114
- United Association Local 230
- United Association Local 250 (Steamfitters)
- United Association Local 345 (Landscape & Irrigation)
- United Association Local 364
- United Association Local 398
- United Association Local 403
- United Association Local 460
- United Association Local 484
Engineers & Architects Association
IATSE - International Alliance of Theatrical Stage Employees
