| Business | Phone |
| Arco Alloys Corp 1891 Trombly St, Detroit 48211 | (313) 871-2680 |
| Schlafer Iron & Steel Inc 1950 Medbury St, Detroit 48211 | (313) 925-8200 |
| Knights Glass Block Co 22401 W 8 Mile Rd, Detroit 48219 | (313) 255-3434 |
| Atlas Windows & Doors 6345 W Mcnichols Rd, Detroit 48221 | (313) 207-7009 |