Federal, State, and Local Governments
- Association of Bay Area Governments (ABAG)
- Alameda County
- Butte County
- Calaveras County
- California Attorney General’s Office
- California Coastal Conservancy
- California Department of Forestry
- California Department of Water Resources
- Contra Costa County
- Federal Emergency Management Agency (FEMA)
- Glenn County
- Lake County
- Marin County
- Mariposa County
- Mendocino County
- Merced County
- Monterey County
- Napa County
- Placer County
- Regional Water Quality Control Board – Central Coast
- San Luis Obispo County
- San Mateo County
- Santa Barbara County
- Santa Clara County
- Santa Cruz County
- Solano County
- Sonoma County
- Tolumne County Health Department
- U.S. Army Corps of Engineers
- U.S. Bureau of Reclamation
- U.S. Fish and Wildlife Service
- U.S. National Park Service
- Ventura County
- Yolo County
Municipalities
- American Canyon
- Burlingame
- Calabasas
- Calistoga
- Concord
- Corte Madera
- Davis
- Dixon
- El Cerrito
- Fairfax
- Fairfield
- Fremont
- Hercules
- Livermore
- Malibu
- Milpitas
- Monterey
- Morgan Hill
- Napa
- Novato
- Oakland
- Pacifica
- Paradise
- Petaluma
- Pittsburg
- Point Arena
- Redwood City
- Richmond
- San Jose
- San Luis Obispo
- San Rafael
- Santa Barbara
- Santa Rosa
- Sausalito
- Woodside
- Yountville
Special Districts
- Bolinas Public Utility District
- Camp Meeker Recreation and Park District
- Contra Costa Water District
- East Bay Municipal Utility District
- East Bay Regional Park District
- Eel River Resource Conservation Dist.
- Lake Canyon Community Services District
- Lompico County Water District
- Marin Municipal Water District
- Mendocino CSD
- Napa County Regional Park and Open Space District
- San Lorenzo Valley Water District
- Santa Clara Valley Water District
- Santa Nella Water District
- Sonoma County Water Agency
- Stinson Beach County Water District
- West Contra Costa Sanitary Landfill
- West Valley Sanitation District #4
Industrial and Commercial
- Bernardus Lodge
- Blue Rock Quarry
- Brandenburg Properties
- Browning-Ferris Industries
- Carmel Development Company
- Cowell Foundation
- Dillon Beach Resort
- EAH Housing
- HPI
- Insight Meditation West
- Kaufman & Broad
- Lagunitas School District
- Lawrence Livermore National Laboratories
- Lawson’s Landing
- Lucasfilm, Ltd.
- Marin Horizons School
- McDonald Development
- Meadow Club
- Mid-Peninsula Housing Coalition
- Odd Fellows Recreation Club
- Pacific Gas & Electric
- Premier Power Renewable Energy, Inc.
- Paradise Vineyards
- Saint Mary’s College
- San Juan Oaks Golf Club
- Sea Ranch Association
- Solar Power Partners, Inc.
- Spirit Rock Meditation Center
- Travis AFB Golf
- Veolia Watera