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