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