| Business | Phone |
| Crabtree Machine & Tool 735 Bellefontaine Ave, Marion 43302 | (740) 383-5700 |
| Craig Manufacturing Co Ltd 899 Marseilles Galion Rd W, Marion 43302 | (740) 465-5281 |
| Vmo Products 218 N State St, Marion 43302 | (740) 383-2396 |
| Turbo Parts 1676 Cascade Dr, Marion 43302 | (740) 223-1695 |
| Steam Turbine Alternative 116 Latourette St, Marion 43302 | (740) 387-5535 |
| General Machine Co 1632 Cascade Dr, Marion 43302 | (740) 375-5750 |
| Gie Svc 1540 Columbus Sandusky Rd N, Marion 43302 | (740) 383-3957 |
| J T Tool & Machine Shop 837 W Center St, Marion 43302 | (740) 387-3911 |
| K K Machine & Welding Shop 210 N Seffner Ave, Marion 43302 | (740) 382-1736 |