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