| WLWestern Lithotech | Jacksonville | TX | — | ◇ UNVERIFIED |
| WRWestern Roto Engravers INC | Wadsworth | OH | — | ◇ UNVERIFIED |
| WRWestern Roto Engravers INC | Richmond | VA | — | ◇ UNVERIFIED |
| WFWest Facility - South Bearhead Creek Field | Fields | LA | — | ◇ UNVERIFIED |
| WGWestfield Grinding Wheel | Westfield | MA | — | ◇ UNVERIFIED |
| WAWestinghouse Air Brake Company | Wilmerding | PA | — | ◇ 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 |
| WPWest Pharm Serv Wmpt Sw | Williamsport | PA | — | ◇ UNVERIFIED |
| WRWest Roofing & Supply CO | Mishawaka | IN | — | ◇ UNVERIFIED |
| WSWest Star Industries | Stockton | CA | — | ◇ UNVERIFIED |
| WSWest Suburban Recycling & Energy Center Ts | La Grange | IL | — | ◇ UNVERIFIED |
| WVWest Virginia Steel CORP | Charleston | WV | — | ◇ UNVERIFIED |
| WFWestwego Facility | Westwego | LA | — | ◇ UNVERIFIED |
| WOWestwood Ornamental Iron INC | Raytown | MO | — | ◇ UNVERIFIED |
| WFW & F Mfg CO INC | Buffalo | NY | — | ◇ UNVERIFIED |
| WSWhale Scientific INC | Commerce City | CO | — | ◇ UNVERIFIED |
| WHWheelabrator Hudson Energy CO INC | Anderson | CA | — | ◇ 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 | La Vergne | TN | — | ◇ 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 |
| 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 |
| WPWhitley Products, INC. | Plymouth | IN | — | ◇ UNVERIFIED |
| WFWichita Falls Plant | Wichita Falls | TX | — | ◇ UNVERIFIED |
| WNWieland National Bronze | Roseville | MI | — | ◇ UNVERIFIED |
| WPWieland Provides INC | Verona | VA | — | ◇ UNVERIFIED |
| WFWilbert Funeral Services - Astral Molding & Finishing | Portland | IN | — | ◇ UNVERIFIED |
| WIWilcorp Inds INC -bil | Billings | MO | — | ◇ UNVERIFIED |
| WCWilcox Cabinet & Construction INC | Hudson | NC | — | ◇ UNVERIFIED |
| WSWilcoxon Sensing Technologies | Frederick | MD | — | ◇ UNVERIFIED |
| WWWildeck West Dba Ladder Industries | Goodyear | AZ | — | ◇ UNVERIFIED |
| WGWilhelm General Contractors | Champaign | IL | — | ◇ UNVERIFIED |
| WBWilkie Bros Conveyors INC | Marysville | MI | — | ◇ UNVERIFIED |
| WSWilkie Sanderson | Sauk Rapids | MN | — | ◇ UNVERIFIED |
| WMWillerding Metal Fabrication INC | O Fallon | MO | — | ◇ UNVERIFIED |
| WLWilliam Leckelt Tank Battery | Evangeline | LA | — | ◇ UNVERIFIED |
| WBWilliams Bridge Company | Bessemer | AL | — | ◇ UNVERIFIED |
| WFWilliamsburg Fine Cabinetry LLC (1677011201) | Akron | OH | — | ◇ 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 |
| WYWilliam Yuenger Manufacturing CO | Chicago | IL | — | ◇ UNVERIFIED |
| WMWillis Manufacturing INC | Dryden | MI | — | ◇ UNVERIFIED |
| WTWillow Tree Missions | Cisco | IL | — | ◇ UNVERIFIED |
| WPWilpak Plastics Industries INC | Kearny | NJ | — | ◇ UNVERIFIED |
| WIWilsonart International | Temple | TX | — | ◇ UNVERIFIED |
| WWWilsonart - Wichita Kansas | Wichita | KS | — | ◇ UNVERIFIED |
| WBWilson Brothers Sand CO Smith Mine | Leesville | SC | — | ◇ UNVERIFIED |
| WCWilson Composites LLC Pendleton Plt | Pendleton | SC | — | ◇ UNVERIFIED |
| WEWilson Equipment Repair INC | Morgantown | WV | — | ◇ UNVERIFIED |
| WSWilson Sporting Goods CO | River Grove | IL | — | ◇ UNVERIFIED |
| WSWilson Supply Inc/harrisburg | Harrisburg | PA | — | ◇ UNVERIFIED |
| WIWinchester Industries INC | Saltsburg | PA | — | ◇ UNVERIFIED |
| WCWind Clean | Coleman | TX | — | ◇ UNVERIFIED |
| WLWind-o-shield LLC | Naples | FL | — | ◇ UNVERIFIED |
| WLWindsor Lake North Ccdd | Loves Park | IL | — | ◇ UNVERIFIED |
| WSWindsor Steel , INC | Elkhart | IN | — | ◇ UNVERIFIED |
| WIWinnebago Industries, INC - Hampton | Hampton | IA | — | ◇ UNVERIFIED |
| WMWinnebago Manufacturing CO | Blue Earth | MN | — | ◇ UNVERIFIED |
| WMWinnemucca Municipal Airport Nw Quadrant | Winnemucca | NV | — | ◇ UNVERIFIED |
| WFWinner Ford | Newark | DE | — | ◇ UNVERIFIED |
| WPWinpak Portion Packaging INC | South Chicago Heights | IL | — | ◇ UNVERIFIED |
| WWintech | Cassville | MO | — | ◇ UNVERIFIED |
 Wire and Cable Specialties, INC. | Coatesville | PA | — | ◇ UNVERIFIED |
| WCWire & Cable Specialties INC | West Chester | PA | — | ◇ UNVERIFIED |
| WIWirecrafters, INC. | Louisville | KY | — | ◇ UNVERIFIED |
| WRWire Rope Industries | Belton | TX | — | ◇ UNVERIFIED |
| WHWireway Husky CORP | Sterling | MA | — | ◇ UNVERIFIED |
| WAWisconsin and Southern Railroad Company | Horicon | WI | — | ◇ UNVERIFIED |
| WUWitzenmann USA | Troy | MI | — | ◇ UNVERIFIED |
| WWWj Whatley INC | Aurora | CO | — | ◇ UNVERIFIED |
| WKW. Kintz Plastics, INC. | Howes Cave | NY | — | ◇ UNVERIFIED |
| WLW L Gore & Associates INC Otts Chapel Site | Newark | DE | — | ◇ UNVERIFIED |
| WGWl Gore & Assoc INC Jersey Shore | Wall | NJ | — | ◇ UNVERIFIED |
| WHW.l. Hailey & Company, INC. | Bessemer | AL | — | ◇ UNVERIFIED |
| WOWm Ohs INC | Denver | CO | — | ◇ UNVERIFIED |
| WRWm Renewable Energy LLC Landfill Gas-to-energy Facility | Davis Junction | IL | — | ◇ UNVERIFIED |
| WWWm Wilmington Hauling - Meter 2 | Wilmington | DE | — | ◇ UNVERIFIED |
| WWWoden Woods INC | Denver | CO | — | ◇ UNVERIFIED |
| WCWolf Creek Machine | Grove City | PA | — | ◇ UNVERIFIED |
| WGWolverine Gasket | Inkster | MI | — | ◇ UNVERIFIED |
| WTWolverine Trailers INC | Jackson | MI | — | ◇ UNVERIFIED |
| WTWomack Tank | San Angelo | TX | — | ◇ UNVERIFIED |
| WCWonder Chemical CORP | Fairless Hills | PA | — | ◇ UNVERIFIED |
| WPWonderland Products, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| WPWonder Products Incorporated | Bossier City | LA | — | ◇ UNVERIFIED |
| WQWonik Quartz International CORP | Albuquerque | NM | — | ◇ UNVERIFIED |
| WMWoodbine Mfg CO | Woodbine | IA | — | ◇ UNVERIFIED |
| WPWoodbine Products INC | Deer Park | NY | — | ◇ UNVERIFIED |
| WFWoodcase Fine Cabinetry INC | Phoenix | AZ | — | ◇ UNVERIFIED |
