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