| Business | Phone |
| Brown Equipment Co 10222 Airport Dr, Fort Wayne 46809 | (260) 747-7323 |
| Deister Machine Co 1933 E Wayne St, Fort Wayne 46803 | (260) 426-7495 |
| Guide Engineering Inc 5505 Distribution Dr, Fort Wayne 46825 | (260) 483-1153 |
| Shar Systems 3210 Freeman St, Fort Wayne 46802 | (260) 432-5312 |