- Boyd's Bit Svc
- C-Spect Inc
- Dura Splice Inc
- Eagle Oilfield Svc
- Geophysical Research Corp
- Gulf Coast Electric
- Gulf Coast Electric Hydraulic
- Newpark Drilling Fluids
- Nuclear Reservoir Evaluation
- Oceaneering International Inc
- Omega Natchiq
- Production Management Ind
- Proline Inc
- R K Pipe & Supply Inc
- Southern Steel LLC
- Stolt Offshore
- Superior Energy Svc Inc
- Thru Tubing Systems
- Total Engineering Svc Team
- Varco International Inc
- Vibration Technology Inc
- Weatherford GEMOCO
- Williamson Production Svc
