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