| Anheuser-Busch (Fairfield) | 
Motorola Type II Smartnet | 
Fairfield | 
| California Department of Corrections and Rehabilitation | 
Project 25 Phase II | 
Various | 
| California Radio Interoperable System (CRIS) | 
Project 25 Phase II | 
Various | 
| Caltrans (District 4 - North) | 
Motorola Type II Smartnet | 
Various | 
| Caltrans (District 4 - South) | 
Motorola Type II Smartnet | 
Various | 
| Crystal Communications (Mt Vaca) | 
LTR Standard | 
None | 
| East Bay Regional Communications System (EBRCS) | 
Project 25 Phase II | 
Various | 
| Fisher Wireless TeamTalk | 
DMR Motorola Connect Plus (TRBO) | 
Various | 
| La Rue Communications (Mt. Vaca) | 
LTR Standard | 
Vacaville | 
| Pacific Gas and Electric (PGE) | 
MPT-1327 Standard | 
Various | 
| Radio Wrench | 
LTR Standard | 
Vacaville | 
| Sacramento Municipal Utility District | 
Project 25 Phase I | 
Sacramento | 
| Signature Wireless Group iDAS Multitrunk (Bay Area) | 
NXDN Icom IDAS Type D | 
Various | 
| Silke Communications FleetNet | 
NXDN NEXEDGE 4800 | 
Various | 
| Solano County Regional Communications System | 
Project 25 Phase I | 
Vacaville | 
| TelePath Corporation (Connect Plus) | 
DMR Motorola Connect Plus (TRBO) | 
Various | 
| The Radio Guys | 
NXDN NEXEDGE 4800 | 
Woodland | 
| United States Air Force (57C) | 
Project 25 Phase I | 
Multiple |