| Business | Phone |
| Tolerance Tooling 618 E Michigan Ave, Kalamazoo 49007 | (269) 382-0589 |
| Buck Forkardt Inc 810 W Kilgore Rd, Kalamazoo 49008 | (269) 327-8200 |
| Pratt Burnerd America Inc 1819 N Pitcher St, Kalamazoo 49007 | (269) 384-2225 |
| Kalamazoo Industries Inc 6856 E K Ave, Kalamazoo 49048 | (269) 382-2050 |