| System Name | Type | City |
|---|---|---|
| California Radio Interoperable System (CRIS) | Project 25 Phase II | Various |
| Los Angeles City Department of Water and Power | Project 25 Phase I | Los Angeles |
| Mobile Relay Associates Diga-Talk Network | NXDN NEXEDGE 4800 | Multiple |
| Naval Air Weapons Station China Lake | Project 25 Phase II | Ridgecrest |
| San Bernardino County | Project 25 Phase I | Various |
| Southern California Edison | Project 25 Phase II | Various |
