| Arroyo Maintenance Corporation |
| CZ Master Association |
| California Department of Fish and Wildlife |
| California Department of Parks and Recreation |
| California Department of Transportation |
| California State Lands Commission |
| Canyon Estates Homeowners Association |
| Center for Natural Lands Management |
| Corona, City of |
| Dana Point, City of |
| Elsinore Unified School District |
| Fallbrook Land Conservancy |
| Fallbrook Public Utility District |
| Foss Lake Conservation LP |
| L F Maintenance Corporation |
| Lake Elsinore, City of |
| Lake Forest Drive Association |
| Lake Forest, City of |
| Lake Mission Viejo Association |
| Land to Sea Conservancy |
| Los Ranchos Community Association |
| Meadowood Community Association |
| Mission Viejo, City of |
| Murrieta, City of |
| National Audubon Society |
| North County Fire District |
| Oceanside, City of |
| Orange County Cemetery District |
| Orange County Department of Education, County of |
| Orange, County of |
| Painted Trails Community Association |
| Palm Gardens Community Association |
| Pinecrest Community Association |
| Rancho Santa Margarita Landscape and Recreation Corporation |
| Riverside County Regional Park and Open Space District |
| Riverside, County of |
| San Bernardino Mountains Land Trust |
| San Clemente, City of |
| San Diego State University |
| San Diego State University Foundation |
| San Diego, County of |
| San Juan Capistrano, City of |
| Santa Margarita Water District |
| Serrano Park Community Association |
| Summerly Homes |
| Temecula, City of |
| The Conservation Fund - California |
| The Wildlands Conservancy |
| Trabuco Canyon Water District |
| United States Bureau of Land Management |
| United States Department of Defense |
| United States Forest Service |
| Wagon Wheel Canyon Community Association |
| Western Riverside County Regional Conservation Authority |
| Wildomar, City of |
