| Business | Phone |
| Ro Man Engineering 31683 Dequindre Rd, Madison Heights 48071 | (248) 585-5540 |
| Crown Alloys 30105 Stephenson Hwy, Madison Heights 48071 | (248) 588-3790 |
| Crs Welding Supply Co 25455 Dequindre Rd, Madison Heights 48071 | (248) 546-3336 |
| Eureka Welding Alloys Inc 2000 E Avis Dr, Madison Heights 48071 | (248) 588-0001 |