- A J Frazier Estate
- A J Frazier Estate
- D-Bar Capitol Financial
- D-Bar Capitol Financial
- Heartland Drilling
- HOFCO Inc
- HOFCO Inc
- John R Thompson Oil Operator
- John R Thompson Oil Operator
- Lomax Operating Co Inc
- Lomax Operating Co Inc
- Quail Operating Inc
- Quail Operating Inc
- Scott AV Investments LTD
- Scott AV Investments LTD
- Sojourner Drilling Corp
- Sojourner Drilling Corp
- Texas United Geo Production
- Texas United Geo Production