| Business | Phone |
| Rassey Manufacturing 19138 Dequindre St, Detroit 48234 | (313) 892-6702 |
| F C Washington & Son 510 Harper Ave, Detroit 48202 | (313) 872-6500 |
| Diversified Machines 2555 Clark St, Detroit 48209 | (313) 849-1981 |
| Delray Mechanical Corp 667 S Post St, Detroit 48209 | (313) 843-5330 |
| Truchan Tool & Machine 7446 W Fort St, Detroit 48209 | (313) 841-4025 |
| Colman Machining Svc Inc 7250 Bryden St, Detroit 48210 | (313) 899-2450 |
| Maximum Machine Works 6421 Cymbal St, Detroit 48211 | (313) 571-3900 |
| Barco Machining 9124 French Rd, Detroit 48213 | (313) 923-2780 |
| Bonal Corp 1257 18th St, Detroit 48216 | (313) 496-1740 |
| Victory Industries Inc 990 S Oakwood, Detroit 48217 | (313) 841-0264 |
| R-M Machine & Mold 12651 Stout St, Detroit 48223 | (313) 538-4516 |
| Capler Manufacturing 18901 Weaver St, Detroit 48228 | (313) 653-0444 |
| Blair Manufacturing Co 18360 Fitzpatrick St, Detroit 48228 | (313) 836-6009 |
| Jedi Machining Corp 18564 Fitzpatrick St, Detroit 48228 | (313) 272-9500 |
| Rajason International 8850 Strathmoor St, Detroit 48228 | (313) 273-1494 |
| Sun Tool Co 18505 Weaver St, Detroit 48228 | (313) 837-2442 |
| J & S Products Mfg Co 18600 Mount Elliott St, Detroit 48234 | (313) 892-8163 |
| Mustang Tools 19321 Mount Elliott St, Detroit 48234 | (313) 368-7210 |
| Perch Machining Inc 19140 Mount Elliott St, Detroit 48234 | (313) 891-9163 |
| Nova Machinery Inc 4890 E Nevada St, Detroit 48234 | (313) 366-9712 |