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