| Business | Phone |
| Uni Fab 1960 Kenney Ave, Warren 48091 | (586) 754-3248 |
| Apcoe Inc 4117 Kendall Rd, Warren 48091 | (586) 759-2244 |
| Stanley Assembly Technologies 5800 Enterprise Ct, Warren 48092 | (586) 573-3494 |
| Custom Blind Fabricators 8088 E 9 Mile Rd, Warren 48089 | (586) 754-4405 |
| Diamond Fabrications 23156 Groesbeck Hwy, Warren 48089 | (586) 443-5297 |
| Mariah Industries 13125 E 8 Mile Rd, Warren 48089 | (586) 778-6271 |
| Inalfa Ssi Roof Systems Llc 12500 E 9 Mile Rd, Warren 48089 | (586) 758-6620 |