- Christus St Michael Health Ctr
- Collom & Carney Clinic
- Collom & Carney Clinic Assn
- Corning Clinical Lab
- Galleria Oaks Medical Clinic
- New Horizons
- Pappas Medical Clinic
- Professional Hearing Svc
- Scales & Sharp
- St Michael Minor Care
- Texarkana Family Practice
- Texarkana Regional Dialysis
- Tiger Children's Clinic