| WSWest Salisbury Found/west Salisbury Plt | West Salisbury | PA | — | ◇ UNVERIFIED |
| WFWestside Flame Hardening INC | Westland | MI | — | ◇ UNVERIFIED |
| WSWest Suburban Recycling & Energy Center Ts | La Grange | IL | — | ◇ UNVERIFIED |
| WVWest Virginia Cashin Recyclables, INC. | Poca | WV | — | ◇ UNVERIFIED |
| WVWest Virginia Steel CORP | Charleston | WV | — | ◇ UNVERIFIED |
| WFWestwick Foundry LTD | Galena | IL | — | ◇ UNVERIFIED |
| WOWestwood Ornamental Iron INC | Raytown | MO | — | ◇ UNVERIFIED |
| WTWetmore Tool & Engineering CO INC | Chino | CA | — | ◇ UNVERIFIED |
| WFW & F Mfg CO INC | Buffalo | NY | — | ◇ UNVERIFIED |
| WFW F Mickey Body Company | Ocala | FL | — | ◇ UNVERIFIED |
| WWWf Wood INC | Holliston | MA | — | ◇ UNVERIFIED |
| WCWheelabrator Cast Product | Walterboro | SC | — | ◇ UNVERIFIED |
| WEWheelabrator Energy Systems | Sturbridge | MA | — | ◇ UNVERIFIED |
| WCWheeled Coach Industries | Winter Park | FL | — | ◇ UNVERIFIED |
| WTWheeler Truck Trailer Equipment Co-wheeler Truck Trailer Equipment CO | Morley | MO | — | ◇ UNVERIFIED |
| WCWhirl-air-flow CORP - Big Lake | Big Lake | MN | — | ◇ UNVERIFIED |
| WCWhirlpool CORP Benton Harbor Div | Benton Harbor | MI | — | ◇ UNVERIFIED |
| WCWhiskey Creek Farms | Lawton | IA | — | ◇ UNVERIFIED |
| WCWhite Cap #41 | Denver | CO | — | ◇ UNVERIFIED |
| WCWhite Cap- #67 - Home Depot | Aurora | CO | — | ◇ UNVERIFIED |
| WFWhite Fab INC | Birmingham | AL | — | ◇ 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 |
| WRWhite River Marine Group, LLC | Flippin | AR | — | ◇ UNVERIFIED |
| WBWhiticar Boat Works INC | Stuart | FL | — | ◇ UNVERIFIED |
| WEWhiting Enterprises, INC Dba Hi Tech Metal Polishing | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| WCWhitman Casting INC | Whitman | MA | — | ◇ 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 |
| WFWilco Finishing CORP | Brooklyn | NY | — | ◇ UNVERIFIED |
| WWWildeck West Dba Ladder Industries | Goodyear | AZ | — | ◇ UNVERIFIED |
| WGWilhelm General Contractors | Champaign | IL | — | ◇ UNVERIFIED |
| WBWilkie Bros Conveyors INC | Marysville | MI | — | ◇ UNVERIFIED |
| WMWillard Marine INC | Virginia Beach | VA | — | ◇ UNVERIFIED |
| WMWillerding Metal Fabrication INC | O Fallon | MO | — | ◇ UNVERIFIED |
| WLWilliam Leckelt Tank Battery | Evangeline | LA | — | ◇ 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 |
| WPWilliamson Polishing & Plating Co., INC. | Indianapolis | IN | — | ◇ UNVERIFIED |
| WPWilliams Patent Crusher & Pulverizer Company | Bonne Terre | MO | — | ◇ UNVERIFIED |
| WFWilliamsport Foundry Co/williamsport | Williamsport | PA | — | ◇ UNVERIFIED |
| WFWilliamstown Fabricators INC | Parkersburg | WV | — | ◇ UNVERIFIED |
| WYWilliam Yuenger Manufacturing CO | Chicago | IL | — | ◇ UNVERIFIED |
| WMWillocks Metal Shop | Maryville | TN | — | ◇ UNVERIFIED |
| WTWillow Tree Missions | Cisco | IL | — | ◇ UNVERIFIED |
| WLWil-rich Llc-wahpeton Plant | Wahpeton | ND | — | ◇ UNVERIFIED |
| WRWil - Ro Incorporated | Gallatin | TN | — | ◇ UNVERIFIED |
| WWWilsonart - Wichita Kansas | Wichita | KS | — | ◇ UNVERIFIED |
| WBWilson Brothers Sand CO Smith Mine | Leesville | SC | — | ◇ UNVERIFIED |
| WEWilson Equipment Repair INC | Morgantown | WV | — | ◇ UNVERIFIED |
| WFWilson Farm Equipment | Union | WV | — | ◇ UNVERIFIED |
| WMWilsons Midwest Fiberglass | Carterville | MO | — | ◇ UNVERIFIED |
| WSWilson Sporting Goods CO | River Grove | IL | — | ◇ UNVERIFIED |
| WSWilson Supply Inc/harrisburg | Harrisburg | PA | — | ◇ UNVERIFIED |
| WTWilson Tool & Die-st Charles | Saint Charles | MO | — | ◇ UNVERIFIED |
| WTWilson Trailer Co-plant #1 | Sioux City | IA | — | ◇ UNVERIFIED |
| WSWilton Steel Processing | Wilton | IA | — | ◇ UNVERIFIED |
 Wilwood Engineering | Camarillo | CA | — | ◇ UNVERIFIED |
| WPWinchester Powerboats INC | Tarboro | NC | — | ◇ UNVERIFIED |
| WCWind Clean | Coleman | TX | — | ◇ UNVERIFIED |
| WWWindham Weaponry | Windham | ME | — | ◇ UNVERIFIED |
| WIWindsor Industries INC | Englewood | CO | — | ◇ UNVERIFIED |
| WLWindsor Lake North Ccdd | Loves Park | IL | — | ◇ UNVERIFIED |
| WPWindsor Polishing CO INC | Providence | RI | — | ◇ UNVERIFIED |
| WSWindsor Steel , INC | Elkhart | IN | — | ◇ UNVERIFIED |
| WMWinnebago Manufacturing CO | Blue Earth | MN | — | ◇ UNVERIFIED |
| WFWinner Ford | Newark | DE | — | ◇ UNVERIFIED |
| WFWinner Foundries & Mfg CO | Arvada | CO | — | ◇ UNVERIFIED |
| WEWipro Enterprises INC | Chambersburg | PA | — | ◇ UNVERIFIED |
| WEWipro Enterprises Inc/chambersburg | Chambersburg | PA | — | ◇ UNVERIFIED |
| WCWirco Castings INC | New Athens | IL | — | ◇ UNVERIFIED |
| WIWirecrafters, INC. | Louisville | KY | — | ◇ UNVERIFIED |
| WBWirekraft Bourbon | Bourbon | IN | — | ◇ UNVERIFIED |
| WRWire Rope Corporation of America-kansas City | Kansas City | MO | — | ◇ UNVERIFIED |
| WMWirtz Manufacturing Co., INC. Plant 4 | Port Huron | MI | — | ◇ 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 |
| WLW L Gore & Associates INC Otts Chapel Site | Newark | DE | — | ◇ UNVERIFIED |
| WRWm Renewable Energy LLC Landfill Gas-to-energy Facility | Davis Junction | IL | — | ◇ UNVERIFIED |
| WWWm Wilmington Hauling - Meter 2 | Wilmington | DE | — | ◇ UNVERIFIED |
| WRWold Rim & Wheel | Saint Ansgar | IA | — | ◇ UNVERIFIED |
| WCWolf Creek Machine | Grove City | PA | — | ◇ UNVERIFIED |
| WDWolff & Dungey | Syracuse | NY | — | ◇ UNVERIFIED |
| WPWoller Precision Machine LLC | Coleman | WI | — | ◇ UNVERIFIED |
| WGWolverine Gasket | Inkster | MI | — | ◇ UNVERIFIED |
| WTWolverine Trailers INC | Jackson | MI | — | ◇ UNVERIFIED |
| WPWonderland Products, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| WMWoodbine Mfg CO | Woodbine | IA | — | ◇ UNVERIFIED |
| WPWoodbine Products INC | Deer Park | NY | — | ◇ UNVERIFIED |
| WGWood Group USA INC - Longmont Facility | Mead Area | CO | — | ◇ UNVERIFIED |
| WPWoodhill Plating Works Company | Cleveland | OH | — | ◇ UNVERIFIED |
| WLWood-mizer, LLC | Indianapolis | IN | — | ◇ UNVERIFIED |
