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