| Business | Phone |
| Ambassador Steel Corp 6880 N Broadway, St Louis 63147 | (314) 382-9855 |
| American Iron-Steel Mfg Co 6189 Minerva Ave, St Louis 63133 | (314) 385-1995 |
| Atlas Iron Works 4020 Geraldine Ave, St Louis 63115 | (314) 383-7200 |
| B & D Metal Products 5980 Saint Louis Ave, St Louis 63120 | (314) 383-1313 |
| Trojan Iron Works 2515 N 25th St, St Louis 63106 | (314) 231-8850 |
| Sachs Steel & Supply Corp 7010 Saint Charles Rock Rd, St Louis 63133 | (314) 725-8364 |
| Murray Enterprises Inc St Louis 63118 | (314) 772-8424 |
| Kertz Iron Works 4817 Fairview Ave, St Louis 63116 | (314) 481-3406 |
| Kickham Boiler & Engineering 625 E Carrie Ave, St Louis 63147 | (314) 261-4786 |
| La Salle Iron Works 3110 Lasalle St, St Louis 63104 | (314) 771-5350 |
| Laclede Steel Co 440 N 4th St # 300, St Louis 63102 | (314) 446-0622 |
| Launer Voss Steel Fabricators 1523 Buchanan St, St Louis 63107 | (314) 231-5885 |
| Hammert's Iron Works Inc 5319 Shreve Ave, St Louis 63115 | (314) 389-0666 |
| Heintz Steel & Mfg Co 3300 Hall St, St Louis 63147 | (314) 231-9073 |
| Hillsdale Fabricators 5960 Greer Ave, St Louis 63120 | (314) 261-2616 |
| Columbia Iron Works Inc 4254 Vista Ave, St Louis 63110 | (314) 371-1617 |
| Continental Fabricators Inc 5601 W Park Ave, St Louis 63110 | (314) 781-6300 |
| Gateway Co 6425 Graham Rd, St Louis 63134 | (314) 524-7440 |
| Cauttrell Enterprises Inc 7618 N Broadway, St Louis 63147 | (314) 385-4270 |
| Central Wire & Iron Works Inc 746 S 4th St, St Louis 63102 | (314) 241-2571 |
| Cse Inc 7302 W Florissant Ave, St Louis 63136 | (314) 962-1289 |
| Cummings Welding Inc 1400 Gregan Pl, St Louis 63133 | (314) 863-6655 |