| WBWest Branch Industries | West Branch | MI | — | ◇ UNVERIFIED |
| WCWest Coast Metal Finishing | Los Angeles | CA | — | ◇ UNVERIFIED |
| WCWest Coast Spas | Woodburn | OR | — | ◇ UNVERIFIED |
| WIWesterman, INC. | Skiatook | OK | — | ◇ UNVERIFIED |
| WCWestern Coating INC | Auburn | WA | — | ◇ UNVERIFIED |
| WIWestern Industrial Machine | Westminster | MD | — | ◇ UNVERIFIED |
 Western Industries INC | Watertown | WI | — | ◇ UNVERIFIED |
| WMWestern Metals Recycling - Slc | Salt Lake City | UT | — | ◇ UNVERIFIED |
| WPWestern Plating Co., INC. | Owensboro | KY | — | ◇ UNVERIFIED |
| WFWest Falls Machine CO | East Aurora | NY | — | ◇ UNVERIFIED |
 Westfield Electroplating CO | Westfield | MA | — | ◇ UNVERIFIED |
| WGWestfield Grinding Wheel | Westfield | MA | — | ◇ UNVERIFIED |
| WAWestford Anodizing Corporation | Westford | MA | — | ◇ UNVERIFIED |
| WCWestgate Cleaning Village/connellsville | Connellsville | PA | — | ◇ UNVERIFIED |
| WAWestinghouse Air Brake Company | Wilmerding | PA | — | ◇ UNVERIFIED |
| WMWestlake Metal Industries | Columbus | OH | — | ◇ UNVERIFIED |
| WLWest Little York Coating Plant | Houston | TX | — | ◇ UNVERIFIED |
| WMWest Michigan Flocking & Assembly LLC | South Haven | MI | — | ◇ UNVERIFIED |
| WMWest Michigan Molding, INC. | Grand Haven | MI | — | ◇ UNVERIFIED |
| WMWestminster Manufacturing LLC | Westminster | CO | — | ◇ UNVERIFIED |
| WSWestmoreland & Sons Trucking, Inc.- Portable Crushing Plant | Cartersville | GA | — | ◇ UNVERIFIED |
| WPWest Pharm Serv Wmpt Sw | Williamsport | PA | — | ◇ UNVERIFIED |
| WMWestrock - Multi Packaging Solutions | Hicksville | NY | — | ◇ UNVERIFIED |
| WRWest Roofing & Supply CO | Mishawaka | IN | — | ◇ UNVERIFIED |
| WVWest Virginia Cashin Recyclables, INC. | Poca | WV | — | ◇ UNVERIFIED |
| WTWetmore Tool & Engineering CO INC | Chino | CA | — | ◇ UNVERIFIED |
| WWWf Wood INC | Holliston | MA | — | ◇ UNVERIFIED |
| WSWhale Scientific INC | Commerce City | CO | — | ◇ UNVERIFIED |
| WEWheelabrator Energy Systems | Sturbridge | MA | — | ◇ UNVERIFIED |
| WCWhirl-air-flow CORP - Big Lake | Big Lake | MN | — | ◇ UNVERIFIED |
| WIWhirley Ind Inc/harmar St | Warren | PA | — | ◇ UNVERIFIED |
| WIWhirley Industries INC | Warren | PA | — | ◇ UNVERIFIED |
| WIWhirley Industries INC | Warren | PA | — | ◇ UNVERIFIED |
| WCWhirlpool CORP Benton Harbor Div | Benton Harbor | MI | — | ◇ UNVERIFIED |
| WCWhite Cap #41 | Denver | CO | — | ◇ UNVERIFIED |
| WCWhite Cap- #67 - Home Depot | Aurora | CO | — | ◇ UNVERIFIED |
| WIWhitefield Industrial Coating | Green Bay | WI | — | ◇ UNVERIFIED |
| WPWhitehall Products | Whitehall | MI | — | ◇ UNVERIFIED |
| WOWhite Oak Radiator Service Old Hwy 80 | White Oak | TX | — | ◇ UNVERIFIED |
| WRWhite Racker CO INC | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| WEWhiting Enterprises, INC Dba Hi Tech Metal Polishing | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| WPWhitley Products, INC. | Plymouth | IN | — | ◇ UNVERIFIED |
| WCWhitman Company INC | Whitman | MA | — | ◇ UNVERIFIED |
| WFWhitworx Fine Metal Finishing, LLC | Lincoln | AR | — | ◇ UNVERIFIED |
| WMWicker Machine Company | Hollandale | MS | — | ◇ UNVERIFIED |
| WNWieland National Bronze | Roseville | MI | — | ◇ UNVERIFIED |
| WFWilbert Funeral Services - Astral Molding & Finishing | Portland | IN | — | ◇ UNVERIFIED |
| WFWilco Finishing CORP | Brooklyn | NY | — | ◇ UNVERIFIED |
| WLWilliam Leckelt Tank Battery | Evangeline | LA | — | ◇ UNVERIFIED |
| WMWilliams Machine Works Inc, Facility Number 2 | Pascagoula | MS | — | ◇ UNVERIFIED |
| WPWilliamson Polishing & Plating Co., INC. | Indianapolis | IN | — | ◇ UNVERIFIED |
| WFWilliamstown Fabricators INC | Parkersburg | WV | — | ◇ UNVERIFIED |
| WIWilsonart International | Temple | TX | — | ◇ UNVERIFIED |
| WBWilson Brothers Sand CO Smith Mine | Leesville | SC | — | ◇ UNVERIFIED |
| WCWilson Composites LLC Pendleton Plt | Pendleton | SC | — | ◇ UNVERIFIED |
| WSWilson Supply Inc/harrisburg | Harrisburg | PA | — | ◇ UNVERIFIED |
| WTWilson Tool & Die-st Charles | Saint Charles | MO | — | ◇ UNVERIFIED |
| WSWilton Steel Processing | Wilton | IA | — | ◇ UNVERIFIED |
 Wilwood Engineering | Camarillo | CA | — | ◇ UNVERIFIED |
| WIWinchester Industries INC | Saltsburg | PA | — | ◇ UNVERIFIED |
| WCWind Clean | Coleman | TX | — | ◇ UNVERIFIED |
| WLWind-o-shield LLC | Naples | FL | — | ◇ UNVERIFIED |
| WPWindsor Polishing CO INC | Providence | RI | — | ◇ UNVERIFIED |
| WIWinnebago Industries, INC - Hampton | Hampton | IA | — | ◇ UNVERIFIED |
| WMWinnebago Manufacturing CO | Blue Earth | MN | — | ◇ UNVERIFIED |
| WPWinpak Portion Packaging INC | South Chicago Heights | IL | — | ◇ UNVERIFIED |
| WWintech | Cassville | MO | — | ◇ UNVERIFIED |
| WEWipro Enterprises INC | Chambersburg | PA | — | ◇ UNVERIFIED |
| WEWipro Enterprises Inc/chambersburg | Chambersburg | PA | — | ◇ UNVERIFIED |
| WBWirekraft Bourbon | Bourbon | IN | — | ◇ UNVERIFIED |
| WMWirtz Manufacturing Co., INC. Plant 4 | Port Huron | MI | — | ◇ UNVERIFIED |
| WAWisconsin and Southern Railroad Company | Horicon | WI | — | ◇ UNVERIFIED |
| WFWisconsin Finishes | Verona | WI | — | ◇ UNVERIFIED |
| WPWisconsin Plating Works, INC. | Racine | WI | — | ◇ UNVERIFIED |
| WFWitherup Fabricating & Erection | Oil City | PA | — | ◇ UNVERIFIED |
| WSWittrock Sandblasting INC | Waverly | NE | — | ◇ UNVERIFIED |
| WUWitzenmann USA | Troy | MI | — | ◇ UNVERIFIED |
| WSWj Smith 26 #3 Facility | Sailes | LA | — | ◇ UNVERIFIED |
| WWWj Whatley INC | Aurora | CO | — | ◇ UNVERIFIED |
| WKW. Kintz Plastics, INC. | Howes Cave | NY | — | ◇ UNVERIFIED |
| WGWl Gore & Assoc INC Jersey Shore | Wall | NJ | — | ◇ UNVERIFIED |
| WHW.l. Hailey & Company, INC. | Bessemer | AL | — | ◇ UNVERIFIED |
| WCWolf Creek Machine | Grove City | PA | — | ◇ UNVERIFIED |
| WPWoller Precision Machine LLC | Coleman | WI | — | ◇ UNVERIFIED |
| WGWolverine Gasket | Inkster | MI | — | ◇ UNVERIFIED |
| WTWolverine Trailers INC | Jackson | MI | — | ◇ UNVERIFIED |
| WTWomack Tank | San Angelo | TX | — | ◇ UNVERIFIED |
| WPWonder Products Incorporated | Bossier City | LA | — | ◇ UNVERIFIED |
| WPWoodbine Products INC | Deer Park | NY | — | ◇ UNVERIFIED |
| WMWoodford Mfg | Colorado Springs | CO | — | ◇ UNVERIFIED |
| WPWoodhill Plating Works Company | Cleveland | OH | — | ◇ UNVERIFIED |
| WLWood-mizer, LLC | Indianapolis | IN | — | ◇ UNVERIFIED |
| WCWoodward Controls INC | Niles | IL | — | ◇ UNVERIFIED |
| WIWoodworth INC | Flint | MI | — | ◇ UNVERIFIED |
| WIWoodworth INC Pontiac | Pontiac | MI | — | ◇ UNVERIFIED |
| WPWoody's Precision Grinding | Whittier | CA | — | ◇ UNVERIFIED |
| WCWorld Class Proc Corp/ambridge | Ambridge | PA | — | ◇ UNVERIFIED |
| WAWrap Arounds Incorporated | W Springfield | MA | — | ◇ UNVERIFIED |
| WPWrex Products INC | Chico | CA | — | ◇ UNVERIFIED |
| WMWright Machine CORP | Worcester | MA | — | ◇ UNVERIFIED |
