| WFWellman Friction Products Brook Park | Brookpark | OH | — | ◇ UNVERIFIED |
| WSWell Stimulation | Tomball | TX | — | ◇ UNVERIFIED |
| WEWelsh Equipment INC | Dodge Center | MN | — | ◇ UNVERIFIED |
| WMWe-mac Manufacturing CO | Atchison | KS | — | ◇ UNVERIFIED |
| WCWerner Company | Socorro | TX | — | ◇ UNVERIFIED |
| WCWerner Company Louisville | Louisville | KY | — | ◇ UNVERIFIED |
| WFWesco Fountains, INC. | North Venice | FL | — | ◇ UNVERIFIED |
| WMWescon Machining INC. | Conway | AR | — | ◇ UNVERIFIED |
| WSWesco Spring CO | Chicago | IL | — | ◇ UNVERIFIED |
| WIWes Industries INC. | Sarasota | FL | — | ◇ UNVERIFIED |
| WJWesley J Cagle/jc's Machine Shop | Gulfport | MS | — | ◇ UNVERIFIED |
| WMWes Manufacturing, INC. | Santa Clara | CA | — | ◇ UNVERIFIED |
| WCWesmor Cryogenics, LLC | La Porte | TX | — | ◇ UNVERIFIED |
| WIWesselhoeft, INC. | Moundville | AL | — | ◇ UNVERIFIED |
| WCWest Coast Aerospace INC | Carson | CA | — | ◇ UNVERIFIED |
| WCWest Coast Chrome | Modesto | CA | — | ◇ UNVERIFIED |
| WCWest Coast Equipment | Turlock | CA | — | ◇ UNVERIFIED |
| WCWest Coast Fabrication Inc. | White City | OR | — | ◇ UNVERIFIED |
| WCWest Coast Fabrication, INC. | White City | OR | — | ◇ UNVERIFIED |
| WCWest Coast Machine INC | Philomath | OR | — | ◇ UNVERIFIED |
| WCWest Coast Machining | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| WCWest Coast Manufacturing | Garden Grove | CA | — | ◇ UNVERIFIED |
| WCWest Coast Metal Finishing | Los Angeles | CA | — | ◇ UNVERIFIED |
| WCWest Coast Plating | Oceanside | CA | — | ◇ UNVERIFIED |
| WCWest Coast Plating INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| WPWestcoast Plating, INC. | Santa Ana | CA | — | ◇ UNVERIFIED |
| WCWest Coast Rack INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| WCWest Coast Sandblasting INC | Long Beach | CA | — | ◇ UNVERIFIED |
| WCWest Coast Spas | Woodburn | OR | — | ◇ UNVERIFIED |
| WIWestco Iron Works | Livermore | CA | — | ◇ UNVERIFIED |
| WEWest End Machine & Welding INC | Richmond | VA | — | ◇ UNVERIFIED |
| WAWestern American Machining CO INC | Cedar City | UT | — | ◇ UNVERIFIED |
| WAWestern Architectural Iron CO | Chicago | IL | — | ◇ UNVERIFIED |
| WEWestern Equipment Manufacturing | Corona | CA | — | ◇ UNVERIFIED |
| WFWestern Fabrication & Equipment | Bakersfield | CA | — | ◇ UNVERIFIED |
| WFWestern Fabrication, LLC | Las Cruces | NM | — | ◇ UNVERIFIED |
| WFWestern Fabricators | Hesperia | CA | — | ◇ UNVERIFIED |
| WFWestern Fiber Company INC | Arvin | CA | — | ◇ UNVERIFIED |
| WFWestern Forge & Flange Company | Albany | CA | — | ◇ UNVERIFIED |
| WGWestern Group | Portersville | PA | — | ◇ UNVERIFIED |
 Western Industrial Contractors | Denver | CO | — | ◇ UNVERIFIED |
 Western Industries INC | Watertown | WI | — | ◇ UNVERIFIED |
| WIWestern Iron Enterprises | Las Vegas | NV | — | ◇ UNVERIFIED |
| WMWestern Machine & Fab, Inc. | Union City | CA | — | ◇ UNVERIFIED |
| WMWestern Maine Steel Inc | West Paris | ME | — | ◇ UNVERIFIED |
| WMWestern Metal Specialty | Milwaukee | WI | — | ◇ UNVERIFIED |
| WMWestern Metals Recycling - Slc | Salt Lake City | UT | — | ◇ UNVERIFIED |
| WNWestern New York Manufacturing | Buffalo | NY | — | ◇ UNVERIFIED |
| WPWestern Plating Co., INC. | Owensboro | KY | — | ◇ UNVERIFIED |
| WPWestern Precision Manufacturing LLC | Grand Junction | CO | — | ◇ UNVERIFIED |
 Western Precision Products INC | Milwaukie | OR | — | ◇ UNVERIFIED |
 Western Products | Milwaukee | WI | — | ◇ UNVERIFIED |
| WSWestern Star Sandblasting CO. | Madera | CA | — | ◇ UNVERIFIED |
| WSWestern Steel Fabricators INC | Huntington Park | CA | — | ◇ UNVERIFIED |
| WUWestern Utility Telecom | Salem | OR | — | ◇ UNVERIFIED |
| WFWest Falls Machine CO | East Aurora | NY | — | ◇ UNVERIFIED |
 Westfield Electroplating CO | Westfield | MA | — | ◇ UNVERIFIED |
| WGWestfield Gage CO INC | Southwick | MA | — | ◇ UNVERIFIED |
| WGWestfield Grinding Wheel | Westfield | MA | — | ◇ UNVERIFIED |
| WAWestford Anodizing Corporation | Westford | MA | — | ◇ UNVERIFIED |
| WHWest Haralson Machine, INC | Tallapoosa | GA | — | ◇ UNVERIFIED |
| WMWestlake Metal Industries | Columbus | OH | — | ◇ UNVERIFIED |
| WMWest Machine Products, INC. | Round Lake | IL | — | ◇ UNVERIFIED |
| WMWest Manufacturing LLC | Carol Stream | IL | — | ◇ UNVERIFIED |
| WMWest Michigan Grinding and Machine | Muskegon | MI | — | ◇ UNVERIFIED |
| WMWest Michigan Grinding and Machine, Inc. | Muskegon | MI | — | ◇ UNVERIFIED |
| WMWestminster Manufacturing LLC | Westminster | CO | — | ◇ UNVERIFIED |
| WSWestmoreland & Sons Trucking, Inc.- Portable Crushing Plant | Cartersville | GA | — | ◇ UNVERIFIED |
| WIWestmor Industries LLC - Truck Shop | Morris | MN | — | ◇ UNVERIFIED |
| WBWeston Bauman | Shreve | OH | — | ◇ UNVERIFIED |
| WOWest Ouachita Steel & Tank* | West Monroe | LA | — | ◇ UNVERIFIED |
| WPWest Penn Precision Inc | Leechburg | PA | — | ◇ UNVERIFIED |
| WFWestside Fabrication and Machining | Plymouth | MI | — | ◇ UNVERIFIED |
| WSWest Side Machine Tool | Elkhorn | WI | — | ◇ UNVERIFIED |
| WSWest Side Tool & Die CO | Kingston | PA | — | ◇ UNVERIFIED |
| WSWest Star Construction | Kingsburg | CA | — | ◇ UNVERIFIED |
| WSWest Star Manufacturing | Downey | CA | — | ◇ UNVERIFIED |
| WTWest Tennessee Machine LLC | Camden | TN | — | ◇ UNVERIFIED |
 West Valley Plating, Josefina Campos | Northridge | CA | — | ◇ UNVERIFIED |
| WVWest Virginia Cashin Recyclables, INC. | Poca | WV | — | ◇ UNVERIFIED |
| WVWest Virginia Steel CORP | Poca | WV | — | ◇ UNVERIFIED |
| WVWest Virginia Steel CORP | Charleston | WV | — | ◇ UNVERIFIED |
| WVWest Virginia Steel Corporation | Poca | WV | — | ◇ UNVERIFIED |
| WWWest Warwick Screw Products Co., INC. | West Warwick | RI | — | ◇ UNVERIFIED |
| WWWest Warwick Welding, INC. | West Warwick | RI | — | ◇ UNVERIFIED |
| WDWet Design | North Hollywood | CA | — | ◇ UNVERIFIED |
| WJWet Jet Precision, INC | Kanarraville | UT | — | ◇ UNVERIFIED |
| WRWeybridge Real Estate Holdings, LLC | Willoughby | OH | — | ◇ UNVERIFIED |
| WWWf Wood INC | Holliston | MA | — | ◇ UNVERIFIED |
| WBWg Benjey INC | Alpena | MI | — | ◇ UNVERIFIED |
| WGWgs Global Services Lc | Marinette | WI | — | ◇ UNVERIFIED |
| WHW H Bagshaw CO INC | Nashua | NH | — | ◇ UNVERIFIED |
| WCWheco CORP | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| WEWheelabrator Energy Systems | Sturbridge | MA | — | ◇ UNVERIFIED |
| WMWheel Medic INC | Columbus | OH | — | ◇ UNVERIFIED |
| WNWheels Now Inc. | Waukesha | WI | — | ◇ UNVERIFIED |
 Whelan Machine & Tool LLC | Louisville | KY | — | ◇ UNVERIFIED |
| WIWhemco, INC. | West Homestead | PA | — | ◇ UNVERIFIED |
| WHWherry Holding Corporation | Glendora | CA | — | ◇ UNVERIFIED |
| WMWhetstone Machine INC | Winona | MN | — | ◇ UNVERIFIED |
