Van Linda Iron Works INC | Lake Worth | FL | — | ◇ UNVERIFIED |
| VMVaughn Manufacturing Corporation | Salisbury | MA | — | ◇ UNVERIFIED |
| VIVega Iron Works | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| VWVenture Welding (howe) | Howe | IN | — | ◇ UNVERIFIED |
| VCVillage Castings CO | Caseville | MI | — | ◇ UNVERIFIED |
| VCVirginia Carolina Steel Incorporated | Norfolk | VA | — | ◇ UNVERIFIED |
| VSVista Steel | Ventura | CA | — | ◇ UNVERIFIED |
| VVoestalpine | Portland | TX | — | ◇ UNVERIFIED |
| VTVoestalpine Texas LLC | Portland | TX | — | ◇ UNVERIFIED |
| VSVoight & Schweitzer | Muskogee | OK | — | ◇ UNVERIFIED |
| VLVstructural LLC | Fort Worth | TX | — | ◇ UNVERIFIED |
| WFWalco Fabricating INC | Pottsville | PA | — | ◇ UNVERIFIED |
| WSWalker Station Equipment Company LLC | Tavares | FL | — | ◇ UNVERIFIED |
| WFWarren Fabricating & Machining CORP | Hubbard | OH | — | ◇ UNVERIFIED |
| WMWaste Management of Ohio | Cleveland | OH | — | ◇ UNVERIFIED |
| WBWatson Bowman Acme CORP | Buffalo | NY | — | ◇ UNVERIFIED |
| WFWelding Flux Facility | Niagara Falls | NY | — | ◇ UNVERIFIED |
| WCWest Coast Metal Finishing | Los Angeles | CA | — | ◇ UNVERIFIED |
| WFWest Facility - South Bearhead Creek Field | Fields | LA | — | ◇ UNVERIFIED |
| WVWest Virginia Steel CORP | Charleston | WV | — | ◇ UNVERIFIED |
| WCWhiskey Creek Farms | Lawton | IA | — | ◇ UNVERIFIED |
| WFWhite Fab INC | Birmingham | AL | — | ◇ UNVERIFIED |
| WWWildeck West Dba Ladder Industries | Goodyear | AZ | — | ◇ UNVERIFIED |
| WMWillerding Metal Fabrication INC | O Fallon | MO | — | ◇ UNVERIFIED |
| WBWilliams Bridge Company | Bessemer | AL | — | ◇ UNVERIFIED |
| WMWilliams Machine Works INC | Moss Point | MS | — | ◇ UNVERIFIED |
| WMWilliams Machine Works Inc, Facility Number 2 | Pascagoula | MS | — | ◇ UNVERIFIED |
| WWWilsonart - Wichita Kansas | Wichita | KS | — | ◇ UNVERIFIED |
| WEWilson Equipment Repair INC | Morgantown | WV | — | ◇ UNVERIFIED |
| WSWindsor Steel , INC | Elkhart | IN | — | ◇ UNVERIFIED |
| WIWirecrafters, INC. | Louisville | KY | — | ◇ UNVERIFIED |
| WMWoodbine Mfg CO | Woodbine | IA | — | ◇ UNVERIFIED |
| WGWood Group USA INC - Longmont Facility | Mead Area | CO | — | ◇ UNVERIFIED |
| WMWorld Marine of Mississippi, Llc, West | Pascagoula | MS | — | ◇ UNVERIFIED |
| WMWorthington Metal Fabricators, LLC Dba Sharon Stairs (1677011204) | Akron | OH | — | ◇ UNVERIFIED |
W&w Afco Steel | Lubbock | TX | — | ◇ UNVERIFIED |
| XMXcite Manufacturing LLC Dba Richardson Metals INC | Colorado Springs | CO | — | ◇ UNVERIFIED |
| YMYukon Mfg CO | Litchfield | MI | — | ◇ UNVERIFIED |
| ZCZuckerman CO INC | Winchester | VA | — | ◇ UNVERIFIED |
| 0L084 Lci | Nampa | ID | 20–99 | ◐ LIKELY ACTIVE |
| 0L085 Lci | Goshen | IN | 100–499 | ◐ LIKELY ACTIVE |
| 1T104658 - Tijuana River Barrier | San Diego | CA | 1–19 | ◐ LIKELY ACTIVE |
| 1S148 - Sayreville, NJ | Sayreville | NJ | 20–99 | ◐ LIKELY ACTIVE |
| 1F149 - Fryeburg, ME | Fryeburg | ME | 20–99 | ◐ LIKELY ACTIVE |
| 2F2000 Foundation Products LLC - GA MFG | Garland | TX | 20–99 | ◐ LIKELY ACTIVE |
| 2F221 - Fort Myers, FL | Fort Myers | FL | 20–99 | ◐ LIKELY ACTIVE |
| 2T237 - Tampa, FL | Tampa | FL | 20–99 | ◐ LIKELY ACTIVE |
| 3I310 - IndianpolisOliver, IN (JSI) | Indianapolis | IN | 20–99 | ◐ LIKELY ACTIVE |
| 3W314 - Wyoming, MI (ERSCO) | Wyoming | MI | 1–19 | ◐ LIKELY ACTIVE |
| 3L315 - Lansing, MI (ERSCO) | Lansing | MI | 1–19 | ◐ LIKELY ACTIVE |