| Business | Phone |
| Case Maul Manufacturer Co 30 Harker St, Mansfield 44903 | (419) 524-1061 |
| Met's Machine Shop Inc 11 Swarn Pkwy, Mansfield 44903 | (419) 522-4111 |
| Ogs Tool & Manufacturer 3520 N Main St, Mansfield 44903 | (419) 524-6200 |
| Simmers Machine Shop 512 Day Rd, Mansfield 44903 | (419) 589-4174 |
| Snyder Machine Co 256 N Diamond St, Mansfield 44902 | (419) 526-1527 |
| Springfield M & D Inc 2420 W 4th St, Mansfield 44906 | (419) 747-7888 |
| Strassell's Machine Inc 1015 Springmill St, Mansfield 44906 | (419) 747-1088 |
| Tri-R Tooling 220 Piper Rd, Mansfield 44905 | (419) 522-8665 |