| Business | Phone |
| Metro Steel Fabricators Inc 24620 Schoenherr Rd, Warren 48089 | (248) 544-1942 |
| Victory Re-Steel Inc 23315 Groesbeck Hwy, Warren 48089 | (586) 772-4400 |
| Warren Fabricating Inc 11408 Timken Ave, Warren 48089 | (586) 759-5465 |
| Trio Tube Inc 11800 Commerce St, Warren 48089 | (586) 759-2478 |
| Scion Steel Grading/Expansion 11330 Toepfer Rd, Warren 48089 | (586) 757-5193 |
| Scion Steel Inc 23800 Blackstone Ave, Warren 48089 | (586) 755-2736 |
| Pressure Vessels Technologies 27720 College Park Dr, Warren 48088 | (586) 776-4511 |
| Parton & Preble Inc 23507 Groesbeck Hwy, Warren 48089 | (586) 773-6000 |
| G & G Contractors Inc 31134 Dequindre Rd, Warren 48092 | (586) 979-4112 |
| Metal Building Supplies 11800 E 9 Mile Rd, Warren 48089 | (586) 757-9689 |
| Metal Ideas 13381 E 9 Mile Rd, Warren 48089 | (586) 774-0903 |
| Hotupan Corp 13118 E 9 Mile Rd, Warren 48089 | (586) 776-5389 |
| Marix Specialty Welding 3822 Kiefer Ave, Warren 48091 | (586) 754-9685 |
| Liberty Steel Corp 2029 Riggs Ave, Warren 48091 | (586) 620-3900 |
| J & N Fabrications Inc 30130 Ryan Rd, Warren 48092 | (586) 751-6350 |