| Business | Phone |
| West Michigan Nut & Bolt 715 Jackson St, Kalamazoo 49001 | (269) 345-6896 |
| Elkay Fastening Systems 1804 Reed Ave, Kalamazoo 49001 | (269) 381-4266 |
| Fastenal Co 3810 Miller Rd, Kalamazoo 49001 | (269) 342-0073 |
| Fasteners Inc 5111 E Ml Ave A10, Kalamazoo 49048 | (269) 381-8127 |