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