The San Joaquin County Joint Radio Users Group (SJCJRUG) was formed in 2006 by the Fire Protection Districts of San Joaquin County, and is a Joint Powers Authority registered with the State of California. The purpose of the SJCJRUG is to accomplish a means for centralized contracting for communication needs, including dispatching, and centralized arrangements for the maintenance, repair, upgrade and replacement of communication equipment owned and operated by the Fire Districts.
| Escalon Fire District (ESL) | Ripon Fire District (RIP) |
| Lathrop-Manteca Fire District (LMD) | Farmington Fire District (FAR) |
| Linden-Peters Fire District (LPE) | Clements Fire District (CLE) |
| Woodbridge Fire District (WOO) | Tracy Fire District (TRY) |
| French Camp-McKinley Fire District (FRC) | Liberty Fire District (LIB) |
| Mokelumne Fire District (MKE) | Collegeville Fire District (CGV) |
| Waterloo-Morada Fire District (WMR) | Thornton Fire District (THO) |
| Montezuma Fire District (ZUM) | Manteca District Ambulance |
Chairman
Chief Dennis Bitters,
Ripon Fire District
Vice Chairman
Chief Jeff Angeli,
Waterloo-Morada Fire District
Secretary
Chief Ed Martel,
Montezuma Fire District
Treasurer
Chief Conni Bailey,
Farmington Fire District