| WSWestern Star Sandblasting CO. | Madera | CA | — | ◇ UNVERIFIED |
| WVWestern Vents & Curbs | Gilbert | AZ | — | ◇ UNVERIFIED |
| WMWestfab Manufacturing, Inc. | Santa Clara | CA | — | ◇ 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 |
| WGWest Grant Dev INC | Rockton | IL | — | ◇ 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 |
| WIWestmor Industries LLC - Truck Shop | Morris | MN | — | ◇ UNVERIFIED |
| WBWeston Bauman | Shreve | OH | — | ◇ UNVERIFIED |
| WPWest Penn Precision Inc | Leechburg | PA | — | ◇ UNVERIFIED |
| WPWest Pharmaceutical Services | Lionville | PA | — | ◇ UNVERIFIED |
| WPWest Pharmaceutical Services | Kinston | NC | — | ◇ UNVERIFIED |
| WPWest Pharmaceutical Services of Florida | Clearwater | FL | — | ◇ UNVERIFIED |
| WLWestroc LLC | Scottsdale | AZ | — | ◇ UNVERIFIED |
| WSWest Side Fabrication, LLC | Colorado Springs | CO | — | ◇ UNVERIFIED |
| WSWest Side Machine Tool | Elkhorn | WI | — | ◇ UNVERIFIED |
| WSWest Side Tool & Die CO | Kingston | PA | — | ◇ 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 |
| WWWest Warwick Screw Products Co., 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 |
| WEWheelabrator Energy Systems | Sturbridge | MA | — | ◇ UNVERIFIED |
| WCWheeling Corrugating CO | Gary | IN | — | ◇ UNVERIFIED |
| WMWheel Medic INC | Columbus | OH | — | ◇ UNVERIFIED |
| WNWheels Now Inc. | Waukesha | WI | — | ◇ UNVERIFIED |
| WIWhemco, INC. | West Homestead | PA | — | ◇ UNVERIFIED |
| WMWhetstone Machine INC | Winona | MN | — | ◇ UNVERIFIED |
| WCWhirl-air-flow CORP - Big Lake | Big Lake | MN | — | ◇ UNVERIFIED |
| WCWhirl-air-flow CORP - Mpls | Minneapolis | MN | — | ◇ UNVERIFIED |
| WCWhirlpool CORP Benton Harbor Div | Benton Harbor | MI | — | ◇ UNVERIFIED |
| WSWhitaker Studio | Ivins | UT | — | ◇ UNVERIFIED |
| WBWhite Bear Makerspace | White Bear Township | MN | — | ◇ UNVERIFIED |
| WCWhited Carl & Son | Livingston | TN | — | ◇ UNVERIFIED |
| WEWhite Eagle Machine Shop | Tucson | AZ | — | ◇ UNVERIFIED |
| WOWhite Oak Radiator Service Old Hwy 80 | White Oak | TX | — | ◇ UNVERIFIED |
| WRWhite Racker CO INC | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| WIWhitesell Intl CORP | Waterford | MI | — | ◇ UNVERIFIED |
| WPWhitesell Precision Components INC | Watson | IN | — | ◇ UNVERIFIED |
| WMWhites Machine Shop | Springfield | MO | — | ◇ UNVERIFIED |
| WWWhite Welding Company, INC. | Waterbury | CT | — | ◇ UNVERIFIED |
| WEWhitham Enterprises | Moscow | KS | — | ◇ UNVERIFIED |
| WEWhiting Enterprises, INC. | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| WEWhiting Enterprises INC Dba Hi-tech Metal Polishing | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| WEWhiting Enterprises, INC Dba Hi Tech Metal Polishing | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| WCWhitman Company INC | Whitman | MA | — | ◇ UNVERIFIED |
| WEWhitman Enterprises, Inc. | Lakeland | FL | — | ◇ UNVERIFIED |
| WGWhittier Grinding | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| WTWhitworth Tool, INC. | Sample | KY | — | ◇ UNVERIFIED |
| WSWholesale Sheet Metal INC. | Kansas City | KS | — | ◇ UNVERIFIED |
| WFWhyco Finishing Tech INC | Thomaston | CT | — | ◇ UNVERIFIED |
| WPWicklander Printing CORP | Chicago | IL | — | ◇ UNVERIFIED |
| WMWico Metal Prod | Center Line | MI | — | ◇ UNVERIFIED |
| WMWico Metal Products | Center Line | MI | — | ◇ UNVERIFIED |
| WMWieber Machine, LLC | Green Bay | WI | — | ◇ UNVERIFIED |
| WRWiegmann & Rose | Oakland | CA | — | ◇ UNVERIFIED |
| WSWie Sic Machine, INC. | Lowell | MA | — | ◇ UNVERIFIED |
| WTWiesmann Tool Inc. | Alpharetta | GA | — | ◇ UNVERIFIED |
| WPWiggby Precision Machine CORP | Brooklyn | NY | — | ◇ UNVERIFIED |
| WDWilburn Darryl Donna | Pineville | LA | — | ◇ UNVERIFIED |
| WMWilco Mach and Fabrication INC / Nov Wilco North | Marlow | OK | — | ◇ UNVERIFIED |
| WDWilderness Design & Manufacturing INC | Orem | UT | — | ◇ UNVERIFIED |
| WMWildridge Machine, LLC | Lexington | TN | — | ◇ UNVERIFIED |
| WMWildwood Metals, INC. | Fresno | CA | — | ◇ UNVERIFIED |
| WAWilkes and Mclean, LTD. | Schaumburg | IL | — | ◇ UNVERIFIED |
| WVWillamette Valley Company - Precision Technologies | Eugene | OR | — | ◇ UNVERIFIED |
| WAWillenborg Associates, INC. | Imlay City | MI | — | ◇ UNVERIFIED |
| WIWillfab, INC. | Marietta | GA | — | ◇ UNVERIFIED |
| WCWilliam Collins Company | Central Falls | RI | — | ◇ UNVERIFIED |
| WJWilliam J Labb Sons | Philadelphia | PA | — | ◇ UNVERIFIED |
| WRWilliam R Tiffany & Linda E Tiffany | Vale | OR | — | ◇ UNVERIFIED |
| WBWilliams Bayou Long #1 Facility | Jeanerette | LA | — | ◇ UNVERIFIED |
| WCWilliams Company INC. | Whiting | KS | — | ◇ UNVERIFIED |
| WSWilliam Scott | Oaklyn | NJ | — | ◇ UNVERIFIED |
| WDWilliams & Davis Boilers | Hutchins | TX | — | ◇ UNVERIFIED |
| WFWilliams Fabrication, INC. Dba Jenfab | Covington | VA | — | ◇ UNVERIFIED |
| WFWilliams Finishing INC | Livonia | MI | — | ◇ UNVERIFIED |
| WHWilliams Healthcare Systems LLC | Elgin | IL | — | ◇ UNVERIFIED |
| WIWilliams International (b6415) | Walled Lake | MI | — | ◇ UNVERIFIED |
| WMWilliams Machine Works Inc, Facility Number 2 | Pascagoula | MS | — | ◇ UNVERIFIED |
| WMWilliams Manufacturing | Lake Elsinore | CA | — | ◇ UNVERIFIED |
| WMWilliams Metalfinishing/sinking Spring | Sinking Spring | PA | — | ◇ UNVERIFIED |
| WFWilliamstown Fabricators INC | Parkersburg | WV | — | ◇ UNVERIFIED |
| WCWillis Cnc, LLC | Grafton | OH | — | ◇ UNVERIFIED |
| WCWillis Commercial, LLC | Windsor | CT | — | ◇ UNVERIFIED |
