| Business | Phone |
| Cap Collet & Tool Co 4082 6th St, Wyandotte 48192 | (734) 283-4040 |
| Park Screw Products 4308 13th St, Wyandotte 48192 | (734) 282-7977 |
| Horizon Technology Group 4261 13th St, Wyandotte 48192 | (734) 246-2460 |
| Star Screw Products Inc 2082 7th St, Wyandotte 48192 | (734) 284-0040 |
| Wyandotte Collet & Tool Inc 4070 5th St, Wyandotte 48192 | (734) 283-8055 |