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