| Business | Phone |
| Savard Corp 8561 W Chicago, Detroit 48204 | (313) 931-6880 |
| White Environmental Inc 12855 Burt Rd, Detroit 48223 | (313) 531-2070 |
| Fabrication Specialties 18480 Mount Elliott St, Detroit 48234 | (313) 891-7181 |
| J & S Architectural Metal Inc 20137 Dequindre St, Detroit 48234 | (313) 893-3550 |
| Ronart Industries 19365 Sherwood St, Detroit 48234 | (313) 893-4800 |