- A & E Flow Testing LLC
- A & E Leasing & Construction
- Arc Pressure Data Inc
- Arrow Drilling Co
- Arrow Drilling Co
- Basic Energy Svc
- Basic Energy Svc
- C & C Oil Field Construction
- Creston Oil Corp
- Eagle Oil Field Svc
- East Texas Oilfield Svc
- East Texas R/W & Claims
- Flint Energy Svc Inc
- Galmor's Inc
- Gray Wireline Svc Inc
- J W Green Contractors Inc
- Joe Neason Contracting
- Ken Gillispie Vacuum Svc
- Key Energy Svc
- Lackey Construction
- Leonard L Campbell General
- Mike Byrd Casing Crews
- Peak USA Energy Svc
- Plainsman Supply
- Producers Assistants Corp
- R & S Svc
- Rassbach's Oil Co
- Reclamation Contractors Of Tx
- Reliable Contractors
- Republic Drill
- Syma & Sons Inc
- Taw Inc
- Time Slice Technology Inc
- Tom Thorp Transports
- TXP Inc
- Weatherford Gemco