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