| Business | Phone |
| M & M Tool & Die Mfg Inc 1840 Bellaire Ave, Royal Oak 48067 | (248) 547-8390 |
| K P Sogoian Manufacturing Inc 4336 Normandy Ct, Royal Oak 48073 | (248) 549-8690 |
| Allmet Industries 5030 Leafdale Blvd, Royal Oak 48073 | (248) 280-4600 |
| Tcp Co 2625 Nakota Rd, Royal Oak 48073 | (248) 549-3301 |
| D & T Tool Co 332 E Parent Ave, Royal Oak 48067 | (248) 399-3784 |
| Eagle Prototype 400 E Lincoln Ave, Royal Oak 48067 | (248) 548-3165 |
| Mac Machine Parts 4830 Delemere Ave, Royal Oak 48073 | (248) 435-5550 |