- California Cattlemen’s Association
- California Department of Food & Agriculture
- California Department of Water Resources
- California-Nevada Climate Applications Program (CNAP) a NOAA Regional Integrated Sciences & Applications (RISA) team
- California Office of Emergency Services
- California State Climatologist
- Center for Western Weather and Water Extremes (CW3E)
- California State University at Monterey Bay (CSUMB)
- City of San Diego
- Desert Research Institute (DRI)
- Metropolitan Water District
- National Drought Mitigation Center (NDMC)
- National Oceanic and Atmospheric Administration (NOAA)
- Public Policy Institute of California
- National Aeronautics and Space Administration (NASA) Jet Propulsion Laboratory (JPL)
- Scripps Institution of Oceanography at University of California at San Diego
- U.S. Department of Agriculture (USDA)
- U.S. Department of Interior (DOI)
- U.S. Environmental Protection Agency (EPA) Region 9
- U.S. Federal Emergency Management Agency (FEMA) Region 9
- Valley Center Municipal Water District (Valley Center MWD)
- Western Governors Association (WGA)
- Western States Water Council (WSWC)