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