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