| Business | Phone |
| Castle Metals 5323 N 118th Ct # E, Milwaukee 53225 | (414) 760-6300 |
| Central Steel & Wire Co 4343 S 6th St, Milwaukee 53221 | (414) 481-5000 |
| Crown Steel Sales Co 4810 S 76th St 201, Milwaukee 53220 | (414) 282-7696 |
| Hall Steel 8050 N Granville Woods Rd, Milwaukee 53223 | (414) 354-1020 |
| Wisconsin Steel & Tube Corp 1555 N Mayfair Rd, Milwaukee 53226 | (414) 453-4441 |
| Wss Transportation Inc 999 W Armour Ave, Milwaukee 53221 | (414) 481-7100 |
| Ryerson 500 S 88th St, Milwaukee 53214 | (414) 453-8000 |
| Wagner Co 10600 W Brown Deer Rd, Milwaukee 53224 | (414) 214-0444 |