Pacific Gas And Electric Company Pacific Gas And Electric Company International Woodworkers Of America Bakersfield College Teamsters Local 952/Food-4-Less Supermarkets Associated General Contractors/State Building And Construction Trades Council Marin Water District Christian Glass Company Goodwill Industries Of Southern California Berkeley Unified School District/City Of Berkeley City Of San Clemente U.C. Davis (Environmental Health and Safety) Marina Heating And Air Conditioning Associated Roofing Contractors Central Labor Council Of Santa Clara And San Benito Counties City Of Huntington Beach San Francisco Fire Department California Labor Federation (Southern California) U.C. Davis (Fire Department) Motive Industries Southern California Rapid Transit District Tri-Valley Growers San Mateo-Foster City School District Southern California District Council Of Laborers Graphic Communications International Union Operating And Maintenance Engineers Apprenticeship And Los Angeles County Federation Of Labor California Professional Firefighters International Union Of Electronic, Electrical, Salaried, Machine