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