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