Federal
EPA (United States Environmental Protection Agency) Region 9

State
California Department of Boating and Waterways (DBW)
California Environmental Protection Agency (Cal/EPA)
California Office of Environmental Health Hazard Assessment
California Department of Pesticide Regulation (DPR)
California Energy Commission (CEC)
California Ocean Resources Management Program
California Department of Fish and Game (DFG), Ontario
California Fish and Game Commission
California Department of Fish and Game Fisheries Programs Branch
California Department of Fish & Game (DFG) License and Revenue Branch (LRB), Los Alamitos - fishing
California Office of Spill Prevention and Response (OSPR), Los Alamitos
California Department of Fish and Game Education and Outreach
California Department of Fish and Game Wildlife Programs Branch
California Department of Water Resources Interagency Ecological Program (IEP)

County

City/Municipal
City of La Verne Environmental Programs
City of Los Angeles Environmental Affairs Department (EnvironmentLA), Downtown LA
San Bernardino Public Services Department Environmental Projects
City of Santa Clarita Environmental Services Division
Santa Monica Office of Sustainability and the Environment
City of Simi Valley Department of Environmental Services
UCLA Environment Health and Safety, Westwood

Regional Resource Conservation Districts
Watershed/Groundwater Management

California Association of Resource Conservation Districts (CARCD) - organization

Antelope Valley Resource Conservation District (AVRCD), Lancaster
Coachella Valley Resource Conservation District (CVRCD), Indio
Elsinore-Murrieta-Anza Resource Conservation District (EMARCD), Wildomar
Inland Empire Resource Conservation District (IERCD), Redlands
Mojave Desert Resource Conservation District (MDRCD), Victorville
Resource Conservation District of The Santa Monica Mountains, Agoura Hills
Riverside-Corona Resource Conservation District (RCRCD)
Ventura County Resource Conservation District (VCRCD), Somis

Federal

State
California Air Resources Board (ARB)
California Bureau of Automotive Repairs Smog Check Program

County
Antelope Valley Air Quality Management District
Mojave Desert Air Quality Management District, Victorville
South Coast Air Quality Management District, Diamond Bar
Ventura County Air Pollution Control District (VCAPCD), Ventura

City/Municipal

Federal
Bureau of Land Management (BLM) California
California Bureau of Land Management Palm Springs South Coast Field Office
California Bureau of Land Management California Desert District, Riverside

State
California Land Use Planning Information Network (LUPIN)
California State Lands Commission (CSLC), Long Beach
California Resources Agency
California Biodiversity Council (CBC)
California Coastal Commission, Long Beach, Ventura
California Department of Conservation (DOC), Downtown LA
California Geological Survey (CGS), Downtown LA
California Division of Land Resource Protection (DLRP)
California Office of Mine Reclamation (OMR)
California State Mining and Geology Board (SMGB)
California Division of Oil, Gas and Geothermal Resources (DOGGR), Cypress, Ventura
California Department of Fish and Game Habitat Conservation Branch (HCB)

County
Ventura County Resource Management Agency (RMA), Ventura

City/Municipal
Long Beach Environmental Services Bureau
Santa Monica Resource Management

State
California Recycling Market Development Zones (RMDZ)

County
Ventura County's Recycling Market Development Zone (RMDZ) Program

City/Municipal
Agua Mansa Recycling Market Development Zone

State
California Materials Exchange (CalMAX)
California Beverage Container Recycling Program
E-cycling Central Electronic Recycling Search Results In California - directory
RecycleStore - Integrated Waste Management Board

County
LACoMAX - The Los Angeles County Online Materials Exchange, Alhambra
Recycled Goods, Ventura
Smart Business Recycling - Los Angeles County
Ventura County's Material Exchange Program (VCMAX), Ventura

City/Municipal
OC Waste and Recycling Recycling - Orange County

City of Agoura Hills Recycling and Waste Management
Alhambra Environmental/Recycling Services
City of Arcadia Waste Reduction and Recycling Programs
Burbank Recycle Center
Cerritos Recycling Program
Corona Recycles
Costa Mesa Sanitary District Recycling Programs
and Costa Mesa Sanitary District Recycling
Downey Recycling Programs
City of Fullerton Environmental & Recycling Programs
Glendale Recycling Center
Glendora Environmental Services
City of Hawthorne Recycling Information
Hesperia Beverage Container Recycling Centers
Irvine Environmental Programs
La Mirada Refuse & Recycling
Laguna Beach Recycling
City of Lakewood Green Living
Los Angeles Bureau Of Sanitation Recycling, Downtown LA
Manhattan Beach Environmental Programs
Moorpark Curbside Solid Waste Program
Palm Springs Disposal Services Recycling Waste
Pico Rivera Environmental Programs
Redlands Recycling Information
Santa Clarita Recycling
Santa Clarita Valley Salvaged Waste & Arts Program (SWAP), Santa Clarita
Smart Gardening, Alhambra - Los Angeles County Department of Public Works, Environmental Programs Division, Countywide Yard Waste Program
City of South Pasadena Recycling
Thousand Oaks Environmental Programs (Go Green)
City of Whittier Recycling and Hazardous Waste
Waste Not, Want Not, Downtown LA - Target Science