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