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