- Allbright Machine Co
- Alliance Machine & Specialties
- Arc & Flame Inc
- Bear's Machine & Mfg Co
- BJL Machine & Rig Repair
- Burnsco Bop Machine
- Charles A Templeton Machine
- CHR Machine
- Curley's Fishing Tools Spec
- D & G Machine
- Fishing Tool Repair & Mfg Inc
- Gardener Denver Petro Pumps
- H & E Precision
- Hamilton Machine & Mfg
- Kelley's Tool Works
- Kelley's Tool Works
- Kiker Machine Works
- Kirk's Machine Works
- Knighten Machine & Svc Inc
- Lightfoot Machine Inc
- Little's Innovative Machine
- Mesa Manufacturing Inc
- Moore Machine Shop
- Mud Pump Maintenance Inc
- Permian Supply & Mfg
- Precision Welding Machine Inc
- Simpkins Custom Coat & Machine
- SMC Inc
- T & M Machine & Mfg
- T & R Machine Inc
- Taurus Manufacturing
- Telstar Machine Inc
- TEVCO Machine Inc
- Unico Mfg Co
- United/Wells
