| Business | Phone |
| Detroit Chain Products 9011 Central St, Detroit 48204 | (313) 931-5982 |
| Data Systems Mfg 300 River Place Dr, Detroit 48207 | (313) 806-0219 |
| Fibre Industries 1753 Bellevue St, Detroit 48207 | (313) 571-6366 |
| Services To Enhance Potential 4700 Beaufait St, Detroit 48207 | (313) 267-9777 |
| Trek Division-Letts Industries 1111 Bellevue St, Detroit 48207 | (313) 579-2379 |
| R & S Assembly Inc 4000 W Jefferson Ave, Detroit 48209 | (313) 843-3300 |
| Windsor Factory Supply 100 S Summit St, Detroit 48209 | (313) 965-5850 |
| Oakley Industries Sub Assembly 9700 Mount Elliott St, Detroit 48211 | (313) 925-5200 |
| Trumack Assembly Llc 9765 Erwin St, Detroit 48213 | (313) 571-2957 |
| Eagle Pitcher Industries 1365 Cass Ave, Detroit 48226 | (313) 961-0963 |
| Detroit Chasis 6501 Lynch Rd, Detroit 48234 | (313) 571-2100 |
| Sam Pacini Statue Mfg Inc 20195 Van Dyke St, Detroit 48234 | (313) 891-6606 |
| Pti Assembly & Machining 6400 E Hildale St, Detroit 48234 | (313) 369-9475 |
| High Quality Mfg 2041 Fenkell St, Detroit 48238 | (313) 494-4737 |