| Business | Phone |
| Topper Industrial 31270 Stephenson Hwy, Madison Heights 48071 | (248) 585-0155 |
| Rayl Material Handling 1625 E Avis Dr, Madison Heights 48071 | (248) 588-7356 |
| Michigan Metal Products 32500 Concord Dr 256, Madison Heights 48071 | (248) 585-6100 |