- Atascosa County Serving Atascosa County, Texas
- Culberson County Serving Culberson County, Texas
- Dawson County Serving Dawson County, Texas
- Fayette County Serving Fayette County, Texas
- Gaines County Serving Gaines County, Texas
- Glasscock County Serving Glasscock County, Texas
- Howard County Serving Howard County, Texas
- Karnes County Serving Karnes County, Texas
- La Salle County Serving La Salle County, Texas
- Lavaca County Serving Lavaca County, Texas
- Loving County Serving Loving County, Texas
- Martin County Serving Martin County, Texas
- Midland County Serving Midland County, Texas
- Pecos County Serving Pecos County, Texas
- Reagan County Serving Reagan County, Texas
- Reeves County Serving Reeves County, Texas
- Upton County Serving Upton County, Texas
- Ward County Serving Ward County, Texas
- Winkler County Serving Winkler County, Texas
