| Business | Phone |
| Custom Metal Products Corp 12283 Levan Rd, Livonia 48150 | (734) 591-2500 |
| Custom Sheet Metal 37100 Amrhein Rd, Livonia 48150 | (734) 462-3732 |
| Trigon Metal Products Inc 12725 Inkster Rd, Livonia 48150 | (734) 513-3488 |
| Welk-Ko Fabricators Inc 11885 Mayfield St, Livonia 48150 | (734) 425-6840 |
| Westco Metalcraft Inc 31846 Glendale St, Livonia 48150 | (734) 425-0900 |
| Challenger Manufacturing 31711 8 Mile Rd, Livonia 48152 | (248) 478-0606 |
| Tara Industries Inc 30103 8 Mile Rd, Livonia 48152 | (248) 477-0448 |