- Boggs Backhoe Svc
- Breck Saltwater Pump & Equip
- Cook's Compression Svc
- Dawne Operating
- G & L Tool Co
- Gloc Stimulation Inc
- Holson Oil Field Construction
- Javco Inc
- Jim's Truck Svc
- Parker Energy Co
- Philco Tubing Testers Inc
- Pool Well Svc
- Rebel Hot Oil & Steamer Svc
- S & T Well Svc
- Shamrock Testers
- Smalley Drilling
- Star-Tech Electrical Corp
- Strata Gas Well Svc
- Sulfa Treat Co
