- Adapt Plastics Inc
- Alex Co Machine Shop
- Angelus Sanitary Can Machine
- Challenge Tool
- D & S Mfg
- D Machine Inc
- Datum Machine Works
- Focus Manufacturing
- Ford Tool & Machining
- Heffran Industrial Svc
- J C Milling
- Janssen Machine
- JEFCO Screw Machine & Prod
- Jewel Machine Inc
- K2 Precision
- Lake Machine
- Lake Machine
- Lamcam Inc
- Merit Machine Co
- OPT Tool Inc
- Pro Machining Inc
- Reliance Tool Inc
- Rockwell Manufacturing
- Service Machine Co Inc
- Tool Form Inc