| TSTrowbridge Steel Co., LLC | Sterling | VA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| USUfp Site Built, LLC | Lenoir City | TN | Fabricated Metal Product Manufacturing332311 | 20-99 | ◐ LIKELY ACTIVE |
| UMUms Metal Fabricators INC | Mobile | AL | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| UTUniform Tubes INC | South Plainfield | NJ | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| USUnited Steel Inc | East Hartford | CT | Primary Metal Manufacturing331111 | 100-499 | ◐ LIKELY ACTIVE |
| UIUniversal Industrial Sales | Lindon | UT | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| UFUSF Fabrication West | Ogden | UT | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| UPUtah Pacific Bridge & Steel | Lindon | UT | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| VIValco Industries, INC. | Springfield | OH | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| VJValley Joist West | Fernley | NV | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| VIValmont Industries Tulsa | Tulsa | OK | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| VDVan Dellen Steel | Caledonia | MI | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| VSVeritas Steel - Eau Claire | Eau Claire | WI | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| VFVicon Fabricating Company, LLC | Mentor | OH | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| VFVigor Fab LLC | Portland | OR | Fabricated Metal Product Manufacturing332312 | 1-19 | ◐ LIKELY ACTIVE |
| VTVision Technologies Marine, INC. | Pascagoula | MS | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| VCV&S Capital Steel | Trenton | NJ | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| VSV & S Schuler Tubular Products | Muskogee | OK | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| WMWalters Metal Fabrication | Granite City | IL | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| WMWarrior Mfg., Llc-hutchinson, Mn | Hutchinson | MN | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| WMWaste Management of Woburn | Woburn | MA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| WSWaukegan Steel, LLC. | Waukegan | IL | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| WWave | Aberdeen | MD | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| WWWelding Works, INC. | Madison | CT | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| WLWesanco LLC | Garden Grove | CA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| WMWestech Metal Fabrication, INC | San Diego | CA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| WSWestern States Steel & Fab INC | Spokane | WA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| WSWestmoreland Steel and Fabrication, INC. | Madison | PA | Fabricated Metal Product Manufacturing332312 | 1-19 | ◐ LIKELY ACTIVE |
| WSWilborn Steel | San Antonio | TX | Primary Metal Manufacturing331210 | 1-19 | ◐ LIKELY ACTIVE |
| WFWilliams Form Engineering Colorado | Golden | CO | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| WFWilliams Form Engineering Georgia | Lithia Springs | GA | Fabricated Metal Product Manufacturing332114 | 20-99 | ◐ LIKELY ACTIVE |
| WFWilliams Form Engineering Nebraska | Wayne | NE | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| WSWilliams Steel Company | Jackson | TN | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| WEWingfield Engineering Company, INC. | Goodwater | AL | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| WIWinkle Industries INC | Alliance | OH | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| WSWinston Steel, LLC - Log Cabin | Winston Salem | NC | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
Wisconsin Oven CORP | East Troy | WI | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| WSWylie Steel Fabricators INC | Springfield | TN | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| XMXtreme Marine Corporation | Maryville | TN | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| YBYaquina Boat Equipment, INC. | Toledo | OR | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| YWYoung's Welding, Inc. | Chanute | KS | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| 1I107270 - Indiana Steel and Engineering Corporation | Bedford | IN | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| 1S121 Stover Dr LLC | Carlisle | PA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| 9L93243 - Lejeune Steel Company | Minneapolis | MN | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| 9M93952 - Metro Manufacturing INC | Saint Paul | MN | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| 9I94461 - Industrial Fabrication Services INC | Lake Crystal | MN | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| 9V95681 - Valmont Industries INC | Farmington | MN | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| AFAarons Fabrication of Steel Tube & Welding INC | Clinton Township | MI | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| AIAes Industries INC | Wheeling | WV | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| AIAllegiant Industrial Island Park | Beaumont | TX | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |