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