| Affton Fabricating & Welding Co Inc | 314-781-4100 | 3235 Sutton Blvd | Saint Louis | MO | 63143 |
| American Iron Steel Mfg Co Fab | 314-385-1995 | 6189 Minerva Ave | Saint Louis | MO | 63133 |
| American Rebar Inc | 314-274-1421 | 6585 Progress Pkwy | Cedar Hill | MO | 63016 |
| Antonia Fabricators | 314-942-2855 | 3700 Highway M | Imperial | MO | 63052 |
| Atlas Iron Works | 314-383-7200 | 4020 Geraldine Ave | Saint Louis | MO | 63115 |
| B & D Metal Products | 314-383-1313 | 5980 Saint Louis Ave | Saint Louis | MO | 63120 |
| Bartels Drafting Service | 314-892-5770 | 9536 Herpel Ln | Saint Louis | MO | 63123 |
| Bauer & Bauer Construction Company | 314-741-3195 | 938 Murcia St | Saint Louis | MO | 63138 |
| Beall Nixdorff Inc | 314-421-3005 | 1554 N 10th St | Saint Louis | MO | 63106 |
| C L C Steel Inc | 314-843-6556 | 5023 Tealby Ln | Sappington | MO | 63128 |
| Canam Steel Corp | 314-239-6716 | 2000 W Main St | Washington | MO | 63090 |
| Central Wire & Iron Works Inc | 314-241-2571 | 746 S 4th St | Saint Louis | MO | 63102 |
| Christensen Drafting | 314-271-0533 | 7 Industrial Dr | Pacific | MO | 63069 |
| Component Bar Products | 314-432-3088 | 2456 Adie | Saint Louis | MO | 63124 |
| Continental Fabricators Inc | 314-781-6300 | 5601 W Park Ave | Saint Louis | MO | 63110 |
| Contractors Welding Inc | 314-962-0202 | 313 W Thornton Ave | Saint Louis | MO | 63119 |
| Contractors Welding Inc Shop | 314-968-4321 | 313 W Thornton Ave | Saint Louis | MO | 63119 |
| Cse Inc | 314-385-9400 | 2801 Hamilton Ave | Saint Louis | MO | 63120 |
| Cummings Welding Inc | 314-863-6655 | 1400 Gregan Pl | Saint Louis | MO | 63133 |
| Custom Fabricating Co | 314-481-6161 | 4509 Ridgewood Ave | Saint Louis | MO | 63116 |
| Dons Welding Service | 314-487-5994 | 4923 Saint Gemme Ln | Saint Louis | MO | 63128 |
| Dooleys Welding | 314-894-4898 | 53 Forder Rd | Mehlville | MO | 63129 |
| Fabricated Structures | 314-532-2727 | 16100 Chesterfield Pky S | Chesterfield | MO | 63017 |
| Fenster Steel Corp Commercial Division | 314-385-3900 | 7618 N Broadway | Saint Louis | MO | 63147 |
| G & M Fabricating Inc | 314-296-5555 | 2972 Arnold Tenbrook Rd | Arnold | MO | 63010 |
| Gatemark Corp | 314-524-7440 | 6425 Graham Rd | Saint Louis | MO | 63134 |
| Geneva Steel | 314-458-0053 | 1808 Tawny Ash Dr | Saint Louis | MO | 63146 |
| Gierse Ted & Associates Inc | 314-353-6627 | 5848 Neosho St | Saint Louis | MO | 63109 |
| Groves Iron Works | 314-993-6715 | 2272 Lackfee Rd | Saint Louis | MO | 63146 |
| H L B Steel Detailers Inc | 314-644-6563 | 1420 S Big Bend Blvd | Saint Louis | MO | 63117 |
| Hammerts Iron Works Inc | 314-389-0666 | 5319 Shreve Ave | Saint Louis | MO | 63115 |
| Heintz Steel & Manufacturing C | 314-231-9073 | 3300 Hall St | Saint Louis | MO | 63147 |
| Industrial Cutting Services | 314-240-5633 | 106 N Central Dr | O Fallon | MO | 63366 |
| Industrial Detailing Inc | 314-487-2243 | 11041 Lin Valle Dr | Saint Louis | MO | 63123 |
| Industrial Steel Fabrication | 314-895-1447 | 12208 Missouri Bottom Rd | Hazelwood | MO | 63042 |
| J-J Welding Service | 314-343-0550 | 2440 Cassens Dr | Fenton | MO | 63026 |
| Kertz Iron Works | 314-481-3406 | 4817 Fairview Ave | Saint Louis | MO | 63116 |
| Kickham Boiler & Engineerin In | 314-261-4786 | 625 E Carrie Ave | Saint Louis | MO | 63147 |
| Kupferer Bros Ornmtl Iron Wks Inc | 314-843-6030 | 8701 Grant Rd | Sappington | MO | 63123 |
| Laciny Bros Inc | 314-862-8330 | 6622 Vernon Ave | Saint Louis | MO | 63130 |
| Lasalle Iron Works | 314-771-5350 | 3110 Lasalle St | Saint Louis | MO | 63104 |
| Launer Voss Spring & Body Inc | 314-231-5885 | 1523 Buchanan St | Saint Louis | MO | 63107 |
| Lincoln Home Sales Inc | 314-356-4100 | 1150 E Outer Rd Hwy 61 | Troy | MO | 63379 |
| Majestic Iron Works Inc | 314-781-0130 | 3423 S Big Bend Blvd | Saint Louis | MO | 63143 |
| Mark Structural Systems Inc | 314-946-8918 | 1312 N 2nd St | Saint Charles | MO | 63301 |
| Mason Associates Inc | 314-677-5222 | 2745 High Ridge Blvd | High Ridge | MO | 63049 |
| Mid Continent Fabricating C | 314-621-6951 | 502 Lasalle St | Saint Louis | MO | 63104 |
| Modern Metals Inc | 314-534-0920 | 4130 Olive St | Saint Louis | MO | 63108 |
| Oilfield Pipe & Supply Inc | 314-231-0404 | 1730 S 11th St | Saint Louis | MO | 63104 |
| Pacific Steel And Fabrication | 314-271-3090 | 118 S Olive St | Pacific | MO | 63069 |
| Power & Industrial Services Co | 314-731-4664 | 5494 Brown Rd | Hazelwood | MO | 63042 |
| Precision Components & Assemblies | 314-928-7288 | 30 Potomac Ct | Saint Charles | MO | 63303 |
| Precision Fabrication Inc | 314-939-5020 | 5777 Westwood Dr | Saint Charles | MO | 63304 |
| R & R Buildings | 314-668-8858 | RR 2 | Winfield | MO | 63389 |
| Region Welding Inc | 314-583-4110 | 1320 Styemaster Dr | Union | MO | 63084 |
| Sachs Steel & Supply Corp | 314-725-8364 | 7010 Saint Charles Rock Rd | Saint Louis | MO | 63133 |
| Scholle Dave Welding | 314-724-8171 | 1761 S River Rd | Saint Charles | MO | 63303 |
| Sherwood Homes Inc | 314-343-5200 | 118 Wallach Dr | Fenton | MO | 63026 |
| St Louis Fabricatn Serv Inc | 314-385-4180 | 600 E Athlone Ave | Saint Louis | MO | 63147 |
| Starrco Company Inc | 314-349-6606 | 2033 Hitzert Ct | Fenton | MO | 63026 |
| Steel Detailing Inc | 314-664-7763 | 3445 Bent Ave | Saint Louis | MO | 63116 |
| Steel Fabrication Inc | 314-771-6766 | 3445 Bent Ave | Saint Louis | MO | 63116 |
| Stupp Bros Bridge & Iron Co | 314-638-5000 | 3800 Weber Rd | Saint Louis | MO | 63125 |
| System Fabricators Inc | 314-677-1017 | 1829 W Square Dr | High Ridge | MO | 63049 |
| Trojan Iron Works | 314-231-8850 | 2515 N 25th St | Saint Louis | MO | 63106 |
| Tulley Eqp Co | 314-544-5525 | 3900 Green Park Rd | Saint Louis | MO | 63125 |
| U N O Corporation | 314-271-6160 | Highway N | Pacific | MO | 63069 |
| Victor Iron Works | 314-771-1457 | 2415 S 7th St | Saint Louis | MO | 63104 |
| Vulcraft Div Nucor Corp | 314-894-6076 | 7321 S Lindbergh Blvd | Saint Louis | MO | 63125 |
