| Business | Phone |
| A & M Machine Shop 1208 4th St, Kalamazoo 49001 | (269) 345-8955 |
| Waber Tool & Engineering Co 1335 Ravine Rd, Kalamazoo 49004 | (269) 342-0765 |
| Allynn Corp 7868 Douglas Ave, Kalamazoo 49009 | (269) 383-1199 |
| Associate Tool & Engineering 7574 E Michigan Ave, Kalamazoo 49048 | (269) 382-0555 |
| Tri-Mation Industries 8179 Neptune Dr, Kalamazoo 49009 | (269) 385-8260 |
| Beckan Industries 860 Gibson St, Kalamazoo 49001 | (269) 381-6984 |
| Bond Tool & Engineering 6190 N Riverview Dr, Kalamazoo 49004 | (269) 344-5164 |
| Specialty Machining Inc 210 N 28th St, Kalamazoo 49048 | (269) 342-2333 |
| Rick's Machine Mntnc & Svc 1822 N Westnedge Ave, Kalamazoo 49007 | (269) 382-0568 |
| Emrick's Precise Products Corp 1302 Bixby Rd, Kalamazoo 49048 | (269) 345-5379 |
| Pinto Products Inc 2525 Miller Rd, Kalamazoo 49001 | (269) 383-0015 |
| Figgins Machine Co 326 W Kalamazoo Ave, Kalamazoo 49007 | (269) 342-5937 |
| New Concept Products 412 Gilbert Ave, Kalamazoo 49048 | (269) 343-8202 |
| Micro Machine Co 2429 N Burdick St, Kalamazoo 49007 | (269) 388-2440 |
| Manley Machining 107 E Allen St, Kalamazoo 49004 | (269) 342-9908 |
| Matrix Manufacturing-Kalamazoo 2222 Glendenning Rd, Kalamazoo 49001 | (269) 276-0628 |
| M & A Machining 1523 N Burdick St, Kalamazoo 49007 | (269) 342-0026 |
| Keller Tool & Mfg 3816 Miller Rd, Kalamazoo 49001 | (269) 276-0245 |