- Advanced Engine & Machine
- B & G Machine & Welding Shop
- Carters Machine
- Cencal Machine
- Chancellor Oil Tool Inc
- D Krause Machine Specialty
- Diesel & Auto Machine Shop
- Fraver Co
- General Machine Works Inc
- Genesis Machine & Fabrication
- Hoffman Machines & Fabrication
- Ingalls Machine
- KLM Ind Machine/Tool
- Swaim & Sons
- UPTON'S General Machine
- Wellhead Inc
