- Aldridge Grinding Machine Co
- Bruback Construction Data
- Brubacker Electric
- Brubaker Auto Enterprises Inc
- Brubaker Bros Roofing
- Brubaker Bros Roofing
- Bryant Grinder Corp
- Cincinnati Electrical Tool Inc
- Custom Tool Svc
- Dun-Rite Tool & Machine Co
- Dun-Rite Tool & Machine Co
- Hanchett Manufacturing Co
- J & C Grinding
- J Schneeberger Corp
- Ray's Extruder Die Svc
- Reishauer Corp
- Royal Master Grinders Inc
- Rush Machinery Inc
- Sieburg International Inc
- Tri-Cam Inc
- Universal Refiner Corp
- Usach Technologies Inc
- Walter Grinders Inc
