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