| System Name | Type | City |
|---|---|---|
| California Radio Interoperable System (CRIS) | Project 25 Phase II | Various |
| Pacific Gas and Electric (PGE) | MPT-1327 Standard | Various |
| Plass Communications | NXDN NEXEDGE 4800 | Klamath Falls |
| Silke Communications | MPT-1327 Standard | Unknown |
