| UDUrgent Design and Mfg INC | Lapeer | MI | — | ◇ UNVERIFIED |
| ULUscoe Louisville Repair Sta | Louisville | KY | — | ◇ UNVERIFIED |
| UDU.s. Defense National Stockpile Center Point Pleasant Depot | Point Pleasant | WV | — | ◇ UNVERIFIED |
| UMUS Machine INC | Fairmont | WV | — | ◇ UNVERIFIED |
| USUsp Structural Connectors | Montgomery | MN | — | ◇ UNVERIFIED |
| VWValley West Welding CO INC | Waverly | TN | — | ◇ UNVERIFIED |
| VIValmont Industries INC | Tulsa | OK | — | ◇ UNVERIFIED |
| VNValmont Newmark | Hazleton | PA | — | ◇ UNVERIFIED |
| VFValmont-newmark Fab Shop | Tuscaloosa | AL | — | ◇ UNVERIFIED |
| VValmont/texas | Brenham | TX | — | ◇ UNVERIFIED |
| VSVandellen Steel INC | Dutton | MI | — | ◇ UNVERIFIED |
| VFVan Fab INC | Union Hill | IL | — | ◇ UNVERIFIED |
 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 |
| VCVirginia Carolina Steel Incorporated | Norfolk | VA | — | ◇ UNVERIFIED |
| VSVista Steel | Ventura | CA | — | ◇ 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 |
| WEWallner Expac INC | Ontario | CA | — | ◇ UNVERIFIED |
| WAW & a Mfg Company, INC. | Pine Bluff | AR | — | ◇ UNVERIFIED |
| WFWarren Fabricating & Machining CORP | Hubbard | OH | — | ◇ UNVERIFIED |
| WMWarrior Mfg LLC - Redwood Falls | Redwood Falls | MN | — | ◇ UNVERIFIED |
| WAWashington Aluminum | Baltimore | MD | — | ◇ UNVERIFIED |
| WIWashington Iron Works | Gardena | CA | — | ◇ UNVERIFIED |
| WMWaste Management of Ohio | Cleveland | OH | — | ◇ UNVERIFIED |
| WBWatson Bowman Acme CORP | Buffalo | NY | — | ◇ UNVERIFIED |
| WFWayne Floyd Gate CO Mfg Plt | Liberty | KY | — | ◇ UNVERIFIED |
| WCWec CO | Oregon | IL | — | ◇ UNVERIFIED |
| WMWe-design Manufacturing | Plymouth | NE | — | ◇ UNVERIFIED |
| WFWengers Farm Machinery INC | Myerstown | PA | — | ◇ UNVERIFIED |
| WCWest Coast Metalcrafts, INC. | Long Beach | CA | — | ◇ 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 |
| WOWestwood Ornamental Iron INC | Raytown | MO | — | ◇ 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 |
| WLWil-rich Llc-wahpeton Plant | Wahpeton | ND | — | ◇ UNVERIFIED |
| WRWil - Ro Incorporated | Gallatin | TN | — | ◇ UNVERIFIED |
| WWWilsonart - Wichita Kansas | Wichita | KS | — | ◇ UNVERIFIED |
| WEWilson Equipment Repair INC | Morgantown | WV | — | ◇ UNVERIFIED |
