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