| Business | Phone |
| Argo Tool Co 1962 Case Pkwy, Twinsburg 44087 | (330) 425-2407 |
| Nex Gen Machine Corp 2206 E Aurora Rd, Twinsburg 44087 | (330) 425-7014 |
| O C Industries 8333 Boyle Pkwy, Twinsburg 44087 | (330) 425-4900 |
| Valley Gear Inc 2354 Edison Blvd, Twinsburg 44087 | (330) 425-4338 |