| 1199SEIU in Antioch, CA | AMERIGROUP in Antioch, CA |
| APS Healthcare in Antioch, CA | Aetna in Antioch, CA |
| Alliance in Antioch, CA | AmeriHealth in Antioch, CA |
| American Behavioral in Antioch, CA | Beech Street in Antioch, CA |
| Behavioral Health Systems in Antioch, CA | BlueCross and/or BlueShield in Antioch, CA |
| CCN in Antioch, CA | CHIPA/College Health in Antioch, CA |
| Cascade Health in Antioch, CA | Ceridian in Antioch, CA |
| ChoiceCare in Antioch, CA | Cigna in Antioch, CA |
| ComPsych in Antioch, CA | Corphealth in Antioch, CA |
| Coventry in Antioch, CA | First Choice Health in Antioch, CA |
| First Health in Antioch, CA | GHI/Group Health Incorporated in Antioch, CA |
| Great-West in Antioch, CA | Guardian in Antioch, CA |
| HFN in Antioch, CA | HIP/Health Plan of New York in Antioch, CA |
| Harvard Pilgrim Health Care in Antioch, CA | Health Net in Antioch, CA |
| Holman Group in Antioch, CA | Horizon Healthcare in Antioch, CA |
| Humana in Antioch, CA | Integrated Health Plan in Antioch, CA |
| Interplan in Antioch, CA | Kaiser in Antioch, CA |
| LifeWise in Antioch, CA | MAMSI in Antioch, CA |
| MHN/Managed Health Network in Antioch, CA | Magellan Behavioral Health in Antioch, CA |
| MagnaCare in Antioch, CA | Medica in Antioch, CA |
| Medicaid in Antioch, CA | Medical Mutual in Antioch, CA |
| Medicare in Antioch, CA | Multiplan in Antioch, CA |
| NCPPO in Antioch, CA | ODS in Antioch, CA |
| Oxford in Antioch, CA | PHCS/Private Health Care Systems in Antioch, CA |
| PPOM in Antioch, CA | PacifiCare in Antioch, CA |
| PacificSource in Antioch, CA | PreferredOne in Antioch, CA |
| Providence in Antioch, CA | Sloans Lake in Antioch, CA |
| TRICARE in Antioch, CA | TriWest0127 in Antioch, CA |
| Tufts in Antioch, CA | UniCare in Antioch, CA |
| Uniform in Antioch, CA | United in Antioch, CA |
| VMC in Antioch, CA | ValueOptions in Antioch, CA |
| WellPoint in Antioch, CA |