- Aetna (Out of Network)
- Affiliated Health Funds
- American PPO
- BCBS
- Caprock
- Cigna (Out of Network)
- Costalcomp Health Networks
- Corvel
- Coventry
- Department of Labor
- Elder Health Texas, Inc/Bravo Health
- Evolutions Healthcare Systems
- First Health/CCN
- Fortified Provider Network
- Galaxy Health Network
- GEHA
- Global Medical Management
- Hartford
- Health Management Network
- Health Payors Organization
- Humana
- IMO
- Independent Medical Systems
- Integrated Health Plan (IHP)
- Interplan Health Group/ IHG
- Liberty Mutual
- Medicare
- National Choicecare, Inc.
- Political Subdivision Workers' Compensation
- PPO Next
- Preferred QSP
- Prime Health Services, Inc.
- Provider Networks of America, Inc. (PRO-NET)
- Provider Select, Inc.
- Sedwick
- Southwest Medical Provider Network
- TexanPlus HMO
- Texas Healthcare Foundation
- Texas Plus/ TX First Health Plan
- Texas True Choice, Inc. (TTC)
- Three Rivers Provider Network (TRPN)
- Travelers
- United Healthcare (Out of Network)
