| Alameda County Water District | Alameda | 8/31/2018 | DOD_PLATINUM |
| Bighorn-Desert View Water Agency | San Bernardino | 12/1/2016 | |
| Chino Valley Independent Fire District | San Bernardino | 9/16/2008 | DOD_PLATINUM |
| Costa Mesa Sanitary District | Orange | 6/26/2009 | DOD_PLATINUM |
| East Valley Water District | San Bernardino | 3/28/2019 | DOD_GOLD |
| El Toro Water District | Orange | 5/1/2007 | |
| Goleta Sanitary District | Santa Barbara | 9/13/2018 | DOD_PLATINUM |
| Hi-Desert Water District | San Bernardino | 4/28/2016 | DOD_SILVER |
| Indian Wells Valley Water District | Kern | 5/28/2015 | DOD |
| Ironhouse Sanitary District | Contra Costa | 6/17/2016 | DOD_PLATINUM |
| Kern County Cemetery District #1 | Kern | 8/18/2009 | DOD_PLATINUM |
| Leucadia Wastewater District | San Diego | 6/18/2008 | DOD_PLATINUM |
| Madera Irrigation District | Madera | 8/5/2016 | |
| Marin Sonoma Mosquito and Vector Control District | Sonoma | 9/13/2019 | |
| Mesa Water District | Orange | 8/13/2007 | DOD |
| Municipal Water District of Orange County | Orange | 6/23/2015 | |
| North Coast County Water District | San Mateo | 7/7/2016 | DOD |
| Northern Salinas Valley Mosquito Abatement District | Monterey | 6/22/2020 | |
| Olivenhain Municipal Water District | San Diego | 1/19/2009 | DOD_SILVER |
| Orange County Cemetery District | Orange | 12/20/2013 | DOD_PLATINUM |
| Padre Dam Municipal Water District | San Diego | 8/5/2015 | DOD_PLATINUM |
| Palm Springs Cemetery District | Riverside | 8/2/2013 | |
| Pine Cove Water District | Riverside | 10/26/2015 | DOD |
| Rainbow Municipal Water District | San Diego | 3/10/2020 | |
| San Jacinto Valley Cemetery District | Riverside | 5/1/2011 | DOD |
| San Mateo County Mosquito and Vector Control | San Mateo | 3/23/2017 | DOD |
| Southgate Recreation & Park District | Sacramento | 10/30/2012 | DOD |
| Special District Risk Management Authority | Sacramento | 11/26/2013 | DOD_PLATINUM |
| Stege Sanitary District | Contra Costa | 7/15/2009 | |
| Sweetwater Authority | San Diego | 4/20/2020 | |
| Temecula Public Cemetery District | Riverside | 8/22/2014 | DOD_GOLD |
| Templeton Community Services District | San Luis Obispo | 5/2/2018 | |
| Three Valleys Municipal Water District | Los Angeles | 4/28/2014 | |
| Town of Discovery Bay Community Services District | Contra Costa | 4/29/2014 | DOD_PLATINUM |
| Vallecitos Water District | San Diego | 3/9/2016 | DOD_SILVER |
| Vista Irrigation District | San Diego | 8/18/2009 | DOD_PLATINUM |
| Yorba Linda Water District | Orange | 9/22/2015 | |