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