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