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| TDTrevi Design Group LLC | Las Vegas | NV | — | ◇ UNVERIFIED |
| TBTriangle Brass Manufacturing CO INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| TCTri City Fabricating INC | Kennewick | WA | — | ◇ UNVERIFIED |
| TMTrimac Metal Arts, LLC | Tucson | AZ | — | ◇ UNVERIFIED |
| TTTriple T Holdings, LLC | Bellingham | WA | — | ◇ UNVERIFIED |
| TITrovo INC | Portland | OR | — | ◇ UNVERIFIED |
| TLTrue Line Steel INC | Redmond | OR | — | ◇ UNVERIFIED |
| TFTubular Fabricating Company INC | Birmingham | AL | — | ◇ UNVERIFIED |
| TSTurf Star-hayward | Rancho Cordova | CA | — | ◇ UNVERIFIED |
| TSTwisted Steel | Hurricane | UT | — | ◇ UNVERIFIED |
| TTTw Tanks & Const. Co., INC. | Beeville | TX | — | ◇ UNVERIFIED |
| TMTyson Metal Works | Opelika | AL | — | ◇ UNVERIFIED |
| UIUis INC | Lindon | UT | — | ◇ UNVERIFIED |
| UUUncommon USA INC | Willmar | MN | — | ◇ UNVERIFIED |
| UMUnified Manufacturing INC | Valencia | CA | — | ◇ UNVERIFIED |
| UMUnique Metal Products LLC | Eugene | OR | — | ◇ UNVERIFIED |
| ULUnited Lighting Standards, INC. | Warren | MI | — | ◇ UNVERIFIED |
| UMUnited Misc. & Ornamental Steel, Inc. | Union City | CA | — | ◇ UNVERIFIED |
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| UPUnited Pipe Bending & Fabrication INC | Portland | OR | — | ◇ UNVERIFIED |
| USUnited Spring Technology INC | Farmington Hills | MI | — | ◇ UNVERIFIED |
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| UIUniversal Iron Works, INC | Pacoima | CA | — | ◇ UNVERIFIED |
| URUniversal Roll Forming INC | Lindon | UT | — | ◇ UNVERIFIED |
| UOUsdol Osha - Tampa Ao | Tampa | FL | — | ◇ UNVERIFIED |
| UIUsg Interiors LLC | Stockton | CA | — | ◇ UNVERIFIED |
| VLVanmark, LLC | Virginia Beach | VA | — | ◇ UNVERIFIED |
| VOVelardes Ornamental Iron | Madera | CA | — | ◇ UNVERIFIED |
| VGV & G Iron Works INC. | Tewksbury | MA | — | ◇ UNVERIFIED |
| VIVictor's Ironworks | San Rafael | CA | — | ◇ UNVERIFIED |
| VSVillage Smithy (former) | Colgate | WI | — | ◇ UNVERIFIED |
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| VIV I P Iron Works Inc, Hector Gutierrez | Los Angeles | CA | — | ◇ UNVERIFIED |
| VSVista Steel Company | Goleta | CA | — | ◇ UNVERIFIED |
| VSVista System LLC | Sarasota | FL | — | ◇ UNVERIFIED |
| VFVtr Fence and Gate | Sacramento | CA | — | ◇ UNVERIFIED |
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| WSWa317938913 - Safeworks LLC | Seattle | WA | — | ◇ UNVERIFIED |
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| WUWa317941632 - Urban Accessories Incorporated | Tacoma | WA | — | ◇ UNVERIFIED |
| WMWa317943112 - Master Metals LLC | Everett | WA | — | ◇ UNVERIFIED |
| WGWa317943145 - Garcia Hugo | Kennewick | WA | — | ◇ UNVERIFIED |
| WMWa317944016 - Modern Metals LLC | Seattle | WA | — | ◇ UNVERIFIED |
| WMWa317944068 - Modern Metals LLC | Everett | WA | — | ◇ UNVERIFIED |
| WCWa317944936 - Craftsmen United INC | Port Townsend | WA | — | ◇ UNVERIFIED |
| WSWa317945441 - Studio 23 LLC | Olympia | WA | — | ◇ UNVERIFIED |
| WMWa317945702 - Mayer Designs INC | Seattle | WA | — | ◇ UNVERIFIED |
| WLWa317946042 - Lincoln Industrial CORP | Poulsbo | WA | — | ◇ UNVERIFIED |
| WFWa317946298 - Frontier Metal Fabrications INC | Vancouver | WA | — | ◇ UNVERIFIED |
| WIWa317947275 - Innotech Metal Designs LLC | Bellingham | WA | — | ◇ UNVERIFIED |
| WNWa317947391 - Nwmodernfab LLC | Bellingham | WA | — | ◇ UNVERIFIED |
| WAWa317947446 - Atelier Custom Design LLC | Kennewick | WA | — | ◇ UNVERIFIED |
| WMWa317947481 - Metal & Iron Artistry LLC | Granger | WA | — | ◇ UNVERIFIED |
| WTWa317947861 - Twisted Metalworks INC | Tukwila | WA | — | ◇ UNVERIFIED |
| WSWa317948000 - Steel Management Services LLC | Ridgefield | WA | — | ◇ UNVERIFIED |
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| WPWa317948516 - Pinnacle Steel Fabricators INC | Puyallup | WA | — | ◇ UNVERIFIED |
| WIWa317948560 - Innovation Welding LLC | Arlington | WA | — | ◇ UNVERIFIED |
| WWWa317948936 - Whatcom Mfg INC | Lynden | WA | — | ◇ UNVERIFIED |
| WSWa317949221 - Sol Forge LLC | Shelton | WA | — | ◇ UNVERIFIED |
| WLWa317949269 - Lc Welding and Fabrication LLC | Tumwater | WA | — | ◇ UNVERIFIED |
| WSWa317949497 - Sound Metalworks LTD | Marysville | WA | — | ◇ UNVERIFIED |
| WOWalks on Water INC | Clear Lake | MN | — | ◇ UNVERIFIED |
| WEWallner Expac INC | Ontario | CA | — | ◇ UNVERIFIED |
| W7Warehouse 737 Kohler | Los Angeles | CA | — | ◇ UNVERIFIED |
| WIWashington Iron Works | Gardena | CA | — | ◇ UNVERIFIED |
| WOWashington Ornamental Iron Works | Gardena | CA | — | ◇ UNVERIFIED |
| WOWashington Ornamental Iron Works INC. | Los Angeles | CA | — | ◇ UNVERIFIED |
| WSWaterfront Specialties INC | Victoria | MN | — | ◇ UNVERIFIED |
| WWWave - Worthington Armstrong Venture | Belcamp | MD | — | ◇ UNVERIFIED |
| WCWeidong Construction INC | New York | NY | — | ◇ UNVERIFIED |
| WSWelding Solutions, LLC Dba Welding Unlimited | Asheville | NC | — | ◇ UNVERIFIED |
| WSWells/mccoy Steel Services, INC. | Anna | TX | — | ◇ UNVERIFIED |
| WIWesanco INC | La Mirada | CA | — | ◇ UNVERIFIED |
| WLWes LLC | Saint Paul | MN | — | ◇ UNVERIFIED |
| WLWes LLC Dba Ultralox | Eagan | MN | — | ◇ UNVERIFIED |
| WWWestbay Welding & Fabrication, INC. | Warwick | RI | — | ◇ UNVERIFIED |
| WCWest Coast Ironworks Inc | Federal Way | WA | — | ◇ UNVERIFIED |
| WCWest Coast Metalcrafts, INC. | Long Beach | CA | — | ◇ UNVERIFIED |
| WEWest Edge Design | San Francisco | CA | — | ◇ UNVERIFIED |
| WIWestern Ironmakers INC. | Orem | UT | — | ◇ UNVERIFIED |
| WMWestern Mouldings | Upland | CA | — | ◇ UNVERIFIED |
| WPWestern Pacific Storage Systems, INC. | San Dimas | CA | — | ◇ UNVERIFIED |
| WWWestern Welding & Iron Works, X.trieu Db | South El Monte | CA | — | ◇ UNVERIFIED |
| WCWestfab Custom Fabrication, LLC | Worden | MT | — | ◇ UNVERIFIED |
| WSWest Side Fabrication LLC | Colorado Springs | CO | — | ◇ UNVERIFIED |
| WNW.f. Norman Corporation | Nevada | MO | — | ◇ UNVERIFIED |
| WWWhetstone Workshop LLC | East Providence | RI | — | ◇ UNVERIFIED |
| WBWilcox Brothers INC | Walnut Grove | CA | — | ◇ UNVERIFIED |
| WDWilkins Design & Mfg INC Dba Wilschur Design & Mfg INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| WHWilmer Hernandez | Spring | TX | — | ◇ UNVERIFIED |
| WWWishart Welding & General Fabrication INC | Clackamas | OR | — | ◇ UNVERIFIED |
| WPWonderland Products, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| WWWorldwide Welding Services | Humble | TX | — | ◇ UNVERIFIED |
| WAWorthington Armstrong Venture | Alpharetta | GA | — | ◇ UNVERIFIED |
| WAWorthington Armstrong Venture | Benton Harbor | MI | — | ◇ UNVERIFIED |
| WAWorthington Armstrong Venture | Fontana | CA | — | ◇ UNVERIFIED |
