| Business | Phone |
| Commercial Wire Warehouse 9107 Central St, Detroit 48204 | (313) 491-8262 |
| Wire Rope Corp Of America Inc 9107 Central St, Detroit 48204 | (313) 934-1381 |
| Crew Associates 6917 E Jefferson Ave, Detroit 48207 | (313) 259-2294 |
| Triad Metals Inc 2241 Bellevue St, Detroit 48207 | (313) 571-1300 |
| Edward W Duffy & Co 5840 W Jefferson Ave, Detroit 48209 | (313) 841-8600 |
| Chappell Steel Co Inc 3545 Scotten St, Detroit 48210 | (313) 897-6670 |
| Peerless Metal Powders Inc 124 S Military St, Detroit 48209 | (313) 841-5400 |
| Texas Aluminum North America 2555 Clark St, Detroit 48209 | (313) 841-4519 |
| Ken-Mac Metals 2 Thyssen Pl, Detroit 48210 | (313) 361-6870 |
| Forged Tubular Products Inc 6101 Cook St, Detroit 48210 | (313) 895-1000 |
| Steel Services & Warehousing 3401 Martin St, Detroit 48210 | (313) 843-7152 |
| Alliance Steel Inc 5110 Bellevue St, Detroit 48211 | (313) 923-1060 |
| Lee Steel Corp 6400 Varney St, Detroit 48211 | (313) 925-2100 |
| Cimarron Steel 8650 Mount Elliott St, Detroit 48211 | (313) 923-1800 |
| Ryobi Die Casting Usa Inc 1600 E Grand Blvd 318, Detroit 48211 | (313) 579-5630 |
| Monarch Steel Co 8650 Mount Elliott St, Detroit 48211 | (313) 571-6500 |
| Mac Win Steel Usa 7830 Ackley St, Detroit 48211 | (313) 961-3589 |
| Macomb Steel Inc 7830 Ackley St, Detroit 48211 | (313) 925-2550 |
| Steel Testing Laboratory 6349 Strong St, Detroit 48211 | (313) 921-2000 |
| Grand River Steel Corp 21733 Grand River Ave, Detroit 48219 | (313) 531-1500 |
| Eja Inc 13330 Foley St, Detroit 48227 | (313) 491-5880 |
| Intervale Metals 14001 Intervale St, Detroit 48227 | (313) 837-8100 |
| Melmac Co 12389 Schaefer Hwy, Detroit 48227 | (313) 491-5500 |
| Tri Star Steel 9281 Freeland St, Detroit 48228 | (313) 834-6000 |
| Alro Speciality Metals 18881 Sherwood St, Detroit 48234 | (313) 892-5834 |
| Alro Steel Corp 18695 Sherwood St, Detroit 48234 | (313) 366-8000 |
| Merkur Steel Supply 11111 French Rd, Detroit 48234 | (313) 571-8900 |
| National Certified Pipe Wldng 14801 W 8 Mile Rd, Detroit 48235 | (313) 341-7661 |
| Pioneer Steel Corp 7447 Intervale St, Detroit 48238 | (313) 933-9400 |