| WCWelding Craftsmen | South Easton | MA | — | ◇ UNVERIFIED |
| WSWeldon Steel - Kennametal Drive | Weldon | NC | — | ◇ UNVERIFIED |
| WIWeldway INC | Oakdale | CA | — | ◇ UNVERIFIED |
| WWells | Valders | WI | — | ◇ UNVERIFIED |
| WCWells Concrete - Architectural Plant | Denver | CO | — | ◇ UNVERIFIED |
| WCWells Concrete - St. Hilaire | Thief River Falls | MN | — | ◇ UNVERIFIED |
| WCWells Conrete | Grand Forks | ND | — | ◇ UNVERIFIED |
| WWWells & Wells Septic Tank Mfg and Pipe Sales | Anniston | AL | — | ◇ UNVERIFIED |
| WMWe-mac Manufacturing CO | Atchison | KS | — | ◇ UNVERIFIED |
| WSWendell Sperling | Independence | OR | — | ◇ UNVERIFIED |
| WIWesselhoeft, INC. | Moundville | AL | — | ◇ UNVERIFIED |
| WCWest Coast Industrial Systems, INC | Korbel | CA | — | ◇ UNVERIFIED |
| WCWest Coast Metal Finishing | Los Angeles | CA | — | ◇ UNVERIFIED |
| WIWestco Iron Works | Livermore | CA | — | ◇ UNVERIFIED |
| WAWestern Architectural Iron CO | Chicago | IL | — | ◇ UNVERIFIED |
| WAWestern Architectural Services, LLC | Draper | UT | — | ◇ UNVERIFIED |
| WCWestern Cascade Container LLC | Kelso | WA | — | ◇ UNVERIFIED |
| WCWestern Construction Components INC | Santee | CA | — | ◇ UNVERIFIED |
| WFWestern Fabrication & Equipment | Bakersfield | CA | — | ◇ UNVERIFIED |
| WFWestern Fabrication, LLC | Las Cruces | NM | — | ◇ UNVERIFIED |
| WFWestern Fabricators | Hesperia | CA | — | ◇ UNVERIFIED |
| WFWestern Forage Equipment INC | Salem | OR | — | ◇ UNVERIFIED |
| WGWestern Group | Portersville | PA | — | ◇ UNVERIFIED |
| WIWestern Iron Enterprises | Las Vegas | NV | — | ◇ UNVERIFIED |
| WMWestern Maine Steel Inc | West Paris | ME | — | ◇ UNVERIFIED |
| WMWestern Manufacturing CORP. | Fresno | CA | — | ◇ UNVERIFIED |
| WMWestern Metal Decorating CO | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| WMWestern Metal Fab INC | Lebanon | OR | — | ◇ UNVERIFIED |
| WMWestern Mobile Northern Glenwood Plant | Glenwood Springs | CO | — | ◇ 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 |
| WIWestile INC | Casa Grande | AZ | — | ◇ UNVERIFIED |
| WMWest Metal Works INC | Buffalo | NY | — | ◇ UNVERIFIED |
| WOWest Ouachita Steel & Tank* | West Monroe | LA | — | ◇ UNVERIFIED |
| WFWestside Fabrication and Machining | Plymouth | MI | — | ◇ UNVERIFIED |
| WSWest Star Construction | Kingsburg | CA | — | ◇ UNVERIFIED |
| WVWest Virginia Group, Inc., Nitro | Nitro | WV | — | ◇ 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 |
| WWWestwind Wood Specialties of Indiana, Inc. | Quinter | KS | — | ◇ UNVERIFIED |
| WMWetherell Manufacturing CO. | Cleghorn | IA | — | ◇ UNVERIFIED |
| WCWheco CORP | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
 Whelan Machine & Tool LLC | Louisville | KY | — | ◇ UNVERIFIED |
| WHWherry Holding Corporation Dba Action Stamp | Covina | CA | — | ◇ UNVERIFIED |
| WEWhitacre Engineering CO | Liverpool | NY | — | ◇ UNVERIFIED |
| WCWhited Cemetery Service | Menifee | CA | — | ◇ UNVERIFIED |
| WFWhite Fab INC | Birmingham | AL | — | ◇ UNVERIFIED |
| WSWhites Steel, Inc. | Indio | CA | — | ◇ UNVERIFIED |
| WBWicked Bumpers,LLC | Dawson | NE | — | ◇ UNVERIFIED |
| WPWieser Precast Steps INC | Stewartville | MN | — | ◇ UNVERIFIED |
| WBWilbert Burial Vaults | Atlanta | GA | — | ◇ UNVERIFIED |
| WFWilbert Funeral Services Amarillo | Amarillo | TX | — | ◇ UNVERIFIED |
| WFWilbert Funeral Services INC. | Jackson | MO | — | ◇ UNVERIFIED |
| WFWilbert Funeral Services, INC. | Fort Myers | FL | — | ◇ UNVERIFIED |
| WFWilbert Funeral Services, INC. | Mulberry | FL | — | ◇ UNVERIFIED |
| WFWilbert Funeral Services, INC. | Davie | FL | — | ◇ UNVERIFIED |
| WFWilbert Funeral Services, INC. | Lawton | OK | — | ◇ UNVERIFIED |
| WFWilbert Funeral Services, Inc.-minot | Minot | ND | — | ◇ UNVERIFIED |
| WFWilbert Funeral Services, INC. - Wamego | Wamego | KS | — | ◇ UNVERIFIED |
| WFWilbert Funeral Sevices INC | Broadview | IL | — | ◇ UNVERIFIED |
| WIWilbert, INC. | Parsons | KS | — | ◇ UNVERIFIED |
| WSWil-clair Sheet Metal, LLC | North Kansas City | MO | — | ◇ UNVERIFIED |
| WAWilcox Agri-products | Walnut Grove | CA | — | ◇ UNVERIFIED |
| WWWildeck West Dba Ladder Industries | Goodyear | AZ | — | ◇ UNVERIFIED |
| WWildscapes | Warrensburg | MO | — | ◇ UNVERIFIED |
| WSWilkey Sheet Metal, INC. | Turlock | CA | — | ◇ UNVERIFIED |
 Willamette Technical Fabricators, LLC | Portland | OR | — | ◇ UNVERIFIED |
| WCWillard C Thorn | Salem | IN | — | ◇ UNVERIFIED |
| WDWilliam D Ludlow | Ontario | CA | — | ◇ UNVERIFIED |
| WEWilliam Elston Septic Tanks | Jefferson Township | PA | — | ◇ UNVERIFIED |
| WJWilliam J Jones & Son INC | Camden | NJ | — | ◇ 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 |
| WSWilliamsport Steel Container/williamsport Arch St Plt | Williamsport | PA | — | ◇ UNVERIFIED |
| WSWilliam's Steel Company | Jackson | TN | — | ◇ UNVERIFIED |
| WSWilliams Steel Company | Greensboro | NC | — | ◇ UNVERIFIED |
| WTWilliams Tractor INC | Fayetteville | AR | — | ◇ UNVERIFIED |
| WCWillis Construction CO INC | Hollister | CA | — | ◇ UNVERIFIED |
| WFWillmar Fabrication LLC | Willmar | MN | — | ◇ UNVERIFIED |
| WMWill-share Manufacturing, INC. | Saint Peters | MO | — | ◇ UNVERIFIED |
| WLWil-rich Llc-wahpeton Plant | Wahpeton | ND | — | ◇ UNVERIFIED |
| WRWil - Ro Incorporated | Gallatin | TN | — | ◇ UNVERIFIED |
| WBWilson, Brady (partner) and Wilson, Barbara (partner) | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| WEWilson Equipment Repair INC | Morgantown | WV | — | ◇ UNVERIFIED |
| WFWilson Farm Equipment | Union | WV | — | ◇ UNVERIFIED |
| WCWilton Corporation | Finksburg | MD | — | ◇ UNVERIFIED |
| WTWinbco Tank Company, INC. | Hugoton | KS | — | ◇ UNVERIFIED |
| WSWindsor Steel , INC | Elkhart | IN | — | ◇ UNVERIFIED |
| WCWinfield Correctional Facility | Winfield | KS | — | ◇ UNVERIFIED |
| WIWirecrafters, INC. | Louisville | KY | — | ◇ UNVERIFIED |
 Wisconsin Oven CORP | East Troy | WI | — | ◇ UNVERIFIED |
| WSWisconsin Silos INC | Plover | WI | — | ◇ UNVERIFIED |
| WSWitts Services, LLC | Bergholz | OH | — | ◇ UNVERIFIED |
| WMWizard Manufacturing | Chico | CA | — | ◇ UNVERIFIED |
| WJW J Heinrichs INC | Reedley | CA | — | ◇ UNVERIFIED |
