| Business | Phone |
| Inland Craft Products 32052 Edward Ave, Madison Heights 48071 | (248) 583-7150 |
| Sterling Diamond Tool Llc 30231 Stephenson Hwy, Madison Heights 48071 | (248) 307-1647 |
| Rgs Tool & Gage Inc 577 E 10 Mile Rd, Madison Heights 48071 | (248) 543-2322 |