| Business | Phone |
| Royal Centerless Grinding 14626 Houston Whittier St, Detroit 48205 | (313) 839-6480 |
| Semco 2118 Woodbridge St, Detroit 48207 | (313) 259-7109 |
| Michigan Industrial Finishes 9045 Vincent St, Detroit 48211 | (313) 925-0030 |
| Amppsco 14034 Mellon St, Detroit 48217 | (313) 842-0560 |
| Insituform Technologies Inc 19129 W Davison St, Detroit 48223 | (313) 835-0417 |
| Acme Plating Inc 18636 Fitzpatrick St, Detroit 48228 | (313) 838-3870 |
| Custom Concepts 19330 Mount Elliott St, Detroit 48234 | (313) 369-2447 |
| Elf Industries 18622 Mount Elliott St, Detroit 48234 | (313) 893-2566 |
| Huron Grinding Co 18455 Sherwood St, Detroit 48234 | (313) 366-2690 |
| M & M Blanchard Grinding 18881 Sherwood St, Detroit 48234 | (313) 368-1720 |
| Coat-It Inc Of Detroit 15400 Woodrow Wilson St, Detroit 48238 | (313) 869-8500 |