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