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