| WBWa317935786 - Brooklyn Iron Works INC | Spokane | WA | — | ◇ UNVERIFIED |
| WMWa317936880 - Metalfab INC | West Richland | WA | — | ◇ UNVERIFIED |
| WMWa317937165 - Metalfab INC | Kennewick | WA | — | ◇ UNVERIFIED |
| WPWa317938579 - Puget Sound Steel CO INC | Kent | WA | — | ◇ UNVERIFIED |
| WCWa317938860 - Carlson Steel Works INC | Bellingham | WA | — | ◇ UNVERIFIED |
| WWWa317939618 - Western Superior Structurals M | Tumwater | WA | — | ◇ UNVERIFIED |
| WAWa317939706 - Asap Metal Fabricators INC | Yakima | WA | — | ◇ UNVERIFIED |
| WMWa317940530 - Metalfab INC | Kennewick | WA | — | ◇ UNVERIFIED |
| WAWa317942342 - Arc Weld Inspection LLC | Tacoma | WA | — | ◇ UNVERIFIED |
| WAWa317942388 - Arc Weld Inspection LLC | Tacoma | WA | — | ◇ UNVERIFIED |
| WMWa317942557 - Metalfab INC | Granger | WA | — | ◇ UNVERIFIED |
| WSWa317944206 - Site Welding Services INC | Woodinville | WA | — | ◇ UNVERIFIED |
| WSWa317944254 - Seattle Process Machinery LLC | Puyallup | WA | — | ◇ UNVERIFIED |
| WMWa317944678 - Metalfab INC | Kennewick | WA | — | ◇ UNVERIFIED |
| WWWa317945624 - Washington Iron Works INC | Lake Stevens | WA | — | ◇ UNVERIFIED |
| WWWa317945855 - Washington Iron Works INC | Lake Stevens | WA | — | ◇ UNVERIFIED |
| WMWa317946189 - Metalfab INC | Richland | WA | — | ◇ UNVERIFIED |
| WWWa317946351 - Whodat Towers LLC | Centralia | WA | — | ◇ UNVERIFIED |
| WMWa317946590 - Metalfab INC | Richland | WA | — | ◇ UNVERIFIED |
| WRWa317947720 - R D Olson Mfg INC | Kelso | WA | — | ◇ UNVERIFIED |
| WMWa317947868 - Merchant Metals LLC | Tacoma | WA | — | ◇ UNVERIFIED |
| WMWa317947973 - Metalfab INC | Pasco | WA | — | ◇ UNVERIFIED |
| WIWa317948020 - Inline Steel Fabricators INC | Yakima | WA | — | ◇ UNVERIFIED |
| WSWa317948030 - Str8 Sheet Fabrications LLC | Mukilteo | WA | — | ◇ UNVERIFIED |
| WSWa317948154 - Scafco Corporation | Woodinville | WA | — | ◇ UNVERIFIED |
| WHWa317948445 - Howard Fabrication INC | Ferndale | WA | — | ◇ UNVERIFIED |
| WFWa317948892 - Fab Tech INC | Burlington | WA | — | ◇ UNVERIFIED |
| WWWa317949605 - Washington Iron Works INC | Mount Vernon | WA | — | ◇ UNVERIFIED |
| WMWa317950148 - Monarch Machine Tool CO INC | Pasco | WA | — | ◇ UNVERIFIED |
| WCWa317950680 - Cb Fabricating LLC | Lynden | WA | — | ◇ UNVERIFIED |
| WMWaconia Manufacturing INC | Waconia | MN | — | ◇ UNVERIFIED |
| WIWadco Ind INC | Fontana | CA | — | ◇ UNVERIFIED |
| WSWaite Specialty Machine INC Machine Shop | Longview | WA | — | ◇ UNVERIFIED |
| WGWaldenwood Group LLC | Charlotte | NC | — | ◇ UNVERIFIED |
| WGWaldenwood Group LLC | Charlotte | NC | — | ◇ UNVERIFIED |
| WSWalker Station Equipment Company LLC | Tavares | FL | — | ◇ UNVERIFIED |
| WSWallis Steel, INC | Mound House | NV | — | ◇ UNVERIFIED |
| WLWalpar, LLC | Birmingham | AL | — | ◇ UNVERIFIED |
| WVWalston Ventures, LLC | Beaumont | TX | — | ◇ UNVERIFIED |
| WGWalter G Huerta | Humble | TX | — | ◇ UNVERIFIED |
| WGWalter G Huerta | Humble | TX | — | ◇ UNVERIFIED |
| WEWamble Enterprises, LLC | Columbus | MS | — | ◇ UNVERIFIED |
| WSWard Steel Company INC. | Liverpool | NY | — | ◇ UNVERIFIED |
| WSWarren Steel Products, INC. | Erie | PA | — | ◇ UNVERIFIED |
| WIWashington Iron Works | Edmonds | WA | — | ◇ UNVERIFIED |
| WIWashington Iron Works | Arlington | WA | — | ◇ UNVERIFIED |
| WMWaste Management of Ohio | Cleveland | OH | — | ◇ UNVERIFIED |
| WMWaste Management of Woburn | Woburn | MA | — | ◇ UNVERIFIED |
| WWWater Works Mfg INC Dba Cambridge Metals & Plastic | Cambridge | MN | — | ◇ UNVERIFIED |
| WMWatkins Metal Fabrication | Mineral Wells | TX | — | ◇ UNVERIFIED |
| WBWatson Bowman Acme CORP | Buffalo | NY | — | ◇ UNVERIFIED |
| WWave | Aberdeen | MD | — | ◇ UNVERIFIED |
| WAWaynesboro Alloy Works, INC. | Waynesboro | VA | — | ◇ UNVERIFIED |
| WIWayne's Industrial Maintenance | Douglasville | GA | — | ◇ UNVERIFIED |
| WIWayward Industries LLC | Lewiston | ME | — | ◇ UNVERIFIED |
| WCW C Brown Weldingna INC. | Fontana | CA | — | ◇ UNVERIFIED |
| WAWD3 Associates Inc. | South Holland | IL | — | ◇ UNVERIFIED |
 Weber Specialties Plant Two | Schoolcraft | MI | — | ◇ UNVERIFIED |
| WWWebster's Welding & Fab, LLC | Pell City | AL | — | ◇ UNVERIFIED |
| WSWeibee Steel, INC | Newcastle | OK | — | ◇ UNVERIFIED |
| WWWeir Welding Company, INC. | Bethlehem | PA | — | ◇ UNVERIFIED |
| WMWeisgram Metal Fab-weisgram M | West Fargo | ND | — | ◇ UNVERIFIED |
| WCWelage Corporation | Cincinnati | OH | — | ◇ UNVERIFIED |
| WCWelding Craftsmen | South Easton | MA | — | ◇ UNVERIFIED |
| WSWeldon Steel - Kennametal Drive | Weldon | NC | — | ◇ UNVERIFIED |
| WIWeldway INC | Oakdale | CA | — | ◇ UNVERIFIED |
| WMWe-mac Manufacturing CO | Atchison | KS | — | ◇ UNVERIFIED |
| WIWesselhoeft, INC. | Moundville | AL | — | ◇ UNVERIFIED |
| WCWest Coast Metal Finishing | Los Angeles | CA | — | ◇ UNVERIFIED |
| WIWestco Iron Works | Livermore | CA | — | ◇ UNVERIFIED |
| WAWestern Architectural Iron CO | Chicago | IL | — | ◇ UNVERIFIED |
| WFWestern Fabrication & Equipment | Bakersfield | CA | — | ◇ UNVERIFIED |
| WFWestern Fabrication, LLC | Las Cruces | NM | — | ◇ UNVERIFIED |
| WFWestern Fabricators | Hesperia | CA | — | ◇ UNVERIFIED |
| WGWestern Group | Portersville | PA | — | ◇ UNVERIFIED |
| WIWestern Iron Enterprises | Las Vegas | NV | — | ◇ UNVERIFIED |
| WMWestern Maine Steel Inc | West Paris | ME | — | ◇ UNVERIFIED |
| WNWestern New York Manufacturing | Buffalo | NY | — | ◇ UNVERIFIED |
| WPWestern Precision Manufacturing LLC | Grand Junction | CO | — | ◇ UNVERIFIED |
| WSWestern Steel Fabricators INC | Huntington Park | CA | — | ◇ UNVERIFIED |
| WUWestern Utility Telecom | Salem | OR | — | ◇ UNVERIFIED |
| WOWest Ouachita Steel & Tank* | West Monroe | LA | — | ◇ UNVERIFIED |
| WFWestside Fabrication and Machining | Plymouth | MI | — | ◇ UNVERIFIED |
| WSWest Star Construction | Kingsburg | CA | — | ◇ UNVERIFIED |
| WVWest Virginia Steel CORP | Charleston | WV | — | ◇ UNVERIFIED |
| WVWest Virginia Steel CORP | Poca | WV | — | ◇ UNVERIFIED |
| WVWest Virginia Steel Corporation | Poca | WV | — | ◇ UNVERIFIED |
| WWWest Warwick Welding, INC. | West Warwick | RI | — | ◇ UNVERIFIED |
| WCWheco CORP | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
 Whelan Machine & Tool LLC | Louisville | KY | — | ◇ UNVERIFIED |
| WEWhitacre Engineering CO | Liverpool | NY | — | ◇ UNVERIFIED |
| WFWhite Fab INC | Birmingham | AL | — | ◇ UNVERIFIED |
| WSWhites Steel, Inc. | Indio | CA | — | ◇ UNVERIFIED |
| WBWicked Bumpers,LLC | Dawson | NE | — | ◇ UNVERIFIED |
| WSWil-clair Sheet Metal, LLC | North Kansas City | MO | — | ◇ UNVERIFIED |
| WWWildeck West Dba Ladder Industries | Goodyear | AZ | — | ◇ UNVERIFIED |
 Willamette Technical Fabricators, LLC | Portland | OR | — | ◇ UNVERIFIED |
| WDWilliam D Ludlow | Ontario | CA | — | ◇ UNVERIFIED |
| WBWilliams Bridge Company | Bessemer | AL | — | ◇ UNVERIFIED |
| WMWilliams Machine Works INC | Moss Point | MS | — | ◇ UNVERIFIED |
