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