- Bethany Manufacturing
- C & E Mfg
- C & S Precision Inc
- Cooper Machine & Tool Inc
- Coulter Machine & Tool
- Dl Machinery Inc
- Faries Precision Machining
- Gemco Manufacturing Co
- Hiram Industries Inc
- K M Machine & Mfg
- Kimro Products
- Lampo Inc
- M & D Machine & Tool Inc
- M & W Enterprise
- Mik-Cro Machining Inc
- Shelton Machine Shop
- Shiloh Machine Products Inc
