- A & A Rentals
- B & B Sales & Svc
- B & R Environmental
- C Stow Inc
- CMMI Corp
- Cudd Pumping Svc
- Directional Rental Inc
- Hard Metal Mills Inc
- Inspection Services Of America
- International Oilfield Svc
- J M Svc
- M I Swapco
- Mud Control Equipment
- MWD Svc
- Pro Fab Of Louisiana
- Prosafe Inc
- Schlumberger Technology Corp
- Southern Oilfield Svc
- TIW Corp Sales & Svc
- Tuboscope
- Wood Oilfield Svc
