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