| Business | Phone |
| Automotive Jazz 12025 Woodbine, Redford 48239 | (313) 592-9098 |
| Die Mation Engineering Co 12280 Dixie, Redford 48239 | (313) 541-1683 |
| Die-Mation 12280 Dixie, Redford 48239 | (734) 462-0900 |
| Custom Design Technologies Inc 20456 Fox, Redford 48240 | (313) 535-3700 |