- Aero-Dynamics
- American Machine
- C & D Mfg Co
- CBS Machine & Tool Co
- D K Machine
- Hill Manufacturing
- Hoel Machine
- Judd Tool Systems
- Mercury Machine
- Pattison Precision Products
- Quality Machining Inc
- Quality Products & Sales
- Renfro Associates Inc
- Swift Precision Machine Works
- Vector Machine Inc
- Wilkinson Manufacturing
