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