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