| Business | Phone |
| Back Machine Shop 685 20th St N, Battle Creek 49015 | (269) 963-7061 |
| C A Picard Inc 305 Hill Brady Rd, Battle Creek 49015 | (269) 962-2231 |
| Springfield Machine & Tool 3026 Wilbur St, Battle Creek 49015 | (269) 968-8223 |
| Matrix Ergonomics 10525 Enterprise Dr, Battle Creek 49015 | (269) 625-5276 |
| Modern Tool 415 Upton Ave, Battle Creek 49015 | (269) 964-4415 |