| Contra Costa County | Sheriff | 37.93326 | -121.9344 | 27 |
| Contra Costa County | Contra Costa County Fire Protection District (Con Fire) | 37.93326 | -121.9344 | 27 |
| Contra Costa County | EMS | 37.93326 | -121.9344 | 27 |
| Contra Costa County | 700 MHz Simplex | 37.93326 | -121.9344 | 27 |
| Contra Costa County | Animal Control | 37.93326 | -121.9344 | 27 |
| Contra Costa County | Probation | 37.93326 | -121.9344 | 27 |
| Contra Costa County | Public Works | 37.93326 | -121.9344 | 27 |
| Special Districts | East Bay Regional Park District | 37.93326 | -121.9344 | 27 |
| Special Districts | San Ramon Valley FPD | 37.93326 | -121.9344 | 27 |
| Cities | Antioch | 37.93326 | -121.9344 | 27 |
| Cities | Brentwood | 37.93326 | -121.9344 | 27 |
| Cities | Clayton | 37.93326 | -121.9344 | 27 |
| Cities | Concord | 37.93326 | -121.9344 | 27 |
| Cities | Danville | 37.93326 | -121.9344 | 27 |
| Cities | El Cerrito | 37.93326 | -121.9344 | 27 |
| Cities | Hercules | 37.93326 | -121.9344 | 27 |
| Cities | Kensington | 37.93326 | -121.9344 | 27 |
| Cities | Lafayette | 37.93326 | -121.9344 | 27 |
| Cities | Martinez | 37.93326 | -121.9344 | 27 |
| Cities | Moraga | 37.84572 | -122.13141 | 2.5 |
| Cities | Oakley | 37.93326 | -121.9344 | 27 |
| Cities | Orinda | 37.93326 | -121.9344 | 27 |
| Cities | Pinole | 37.93326 | -121.9344 | 27 |
| Cities | Pittsburg | 37.93326 | -121.9344 | 27 |
| Cities | Pleasant Hill | 37.93326 | -121.9344 | 27 |
| Cities | Richmond | 37.93326 | -121.9344 | 27 |
| Cities | San Pablo | 37.93326 | -121.9344 | 27 |
| Cities | San Ramon | 37.93326 | -121.9344 | 27 |
| Cities | Walnut Creek | 37.93326 | -121.9344 | 27 |
| Amateur Radio | 1.25m Repeaters | 37.93326 | -121.9344 | 27 |
| Amateur Radio | 2m Repeaters | 37.93326 | -121.9344 | 27 |
| Amateur Radio | 6m Repeaters | 37.93326 | -121.9344 | 27 |
| Amateur Radio | 70cm Repeaters | 37.93326 | -121.9344 | 27 |
| Transit | Bay Area Rapid Transit | 37.93326 | -121.9344 | 27 |
| Transit | Central Contra Costa Transit Authority | 37.93326 | -121.9344 | 27 |
| Oil Refineries | Chevron Richmond Refinery | 37.93326 | -121.9344 | 27 |
| Education | Clayton Valley Charter High School | 37.93326 | -121.9344 | 27 |
| Education | Contra Costa Community College District | 37.93326 | -121.9344 | 27 |
| Amateur Radio | DMR-MARC (Motorola Amateur Radio Club Worldwide Network) | 37.93326 | -121.9344 | 27 |
| Transit | Eastern Contra Costa Transit Authority | 37.93326 | -121.9344 | 27 |
| Oil Refineries | Marathon Martinez Renewable Fuels | 37.93326 | -121.9344 | 27 |
| Oil Refineries | Martinez Refining Company | 37.93326 | -121.9344 | 27 |
| Military | Military Ocean Terminal Concord | 38.01589 | -122.00144 | 5 |
| Education | Mt Diablo Unified School District | 37.93326 | -121.9344 | 27 |
| Oil Refineries | Phillips 66 San Francisco Refinery (Rodeo) | 37.93326 | -121.9344 | 27 |
