| Business | Phone |
| Interstate Tool & Die Co 1103 W 13 Mile Rd, Madison Heights 48071 | (248) 588-4410 |
| Welsh Tool Co 655 E 10 Mile Rd, Madison Heights 48071 | (248) 544-7027 |
| Union Steel Stamp & Die Engrvr 32047 Edward Ave, Madison Heights 48071 | (248) 588-3996 |
| Oakland Precision Tooling Inc 29980 John R Rd, Madison Heights 48071 | (248) 542-1160 |