| WRWatts Regulator | Spindale | NC | — | ◇ UNVERIFIED |
| WCWaukesha Cherry Burrell | Delavan | WI | — | ◇ UNVERIFIED |
 Waupaca Foundry, INC. - Plant 1 (ironwood) | Ironwood | MI | — | ◇ UNVERIFIED |
| Waupaca Foundry INC Warehouse | Waupaca | WI | — | ◇ UNVERIFIED |
| WPWaupaca Pallet, INC. | Troy | IN | — | ◇ UNVERIFIED |
| WRWaveland Recycling INC | Franklin Park | IL | — | ◇ UNVERIFIED |
| WWWayne Wire Cloth Prod | Kalkaska | MI | — | ◇ UNVERIFIED |
| WLWayron LLC | Longview | WA | — | ◇ UNVERIFIED |
| WBW. B. Young Company | Marshall | MO | — | ◇ UNVERIFIED |
| WCWcrichards CO | Aberdeen | NC | — | ◇ UNVERIFIED |
| WIWeartech International INC | Anaheim | CA | — | ◇ UNVERIFIED |
| WUWeatherford U.s. L.p. | Grand Junction | CO | — | ◇ UNVERIFIED |
| WWWeatherford Well Screen | Houston | TX | — | ◇ UNVERIFIED |
| WBWeatherguard Building Products, INC. | West Palm Beach | FL | — | ◇ UNVERIFIED |
| WWeathermatic | Garland | TX | — | ◇ UNVERIFIED |
| WPWebb Property | Jay | FL | — | ◇ UNVERIFIED |
| WDWeber Drilling CO INC | Inglewood | CA | — | ◇ UNVERIFIED |
| WCWebster Combustion Technology, LLC (stormwater) | Winfield | KS | — | ◇ UNVERIFIED |
| WCWedi CORP | Batavia | IL | — | ◇ UNVERIFIED |
| WMWeeks Machine Shop | Venice | FL | — | ◇ UNVERIFIED |
| WCWehrli Carpentry | Sandwich | IL | — | ◇ UNVERIFIED |
| WCWehrli Custom Fabrication | Dekalb | IL | — | ◇ UNVERIFIED |
| WGWelch Group Environmental LLC | Clearwater | FL | — | ◇ UNVERIFIED |
| WTWelcome to 1979 Industries, LLC | Nashville | TN | — | ◇ UNVERIFIED |
| WCWeldbend CORP | Bedford Park | IL | — | ◇ UNVERIFIED |
| WFWelding Flux Facility | Niagara Falls | NY | — | ◇ UNVERIFIED |
| WPWellman Products Oklahoma | Catoosa | OK | — | ◇ UNVERIFIED |
| WWWells & Wells Construction CO | Champaign | IL | — | ◇ UNVERIFIED |
| WCWendt Corporation | Buffalo | NY | — | ◇ UNVERIFIED |
| WCWerner Company Louisville | Louisville | KY | — | ◇ UNVERIFIED |
| WAWest American Rubber CO INC | Orange | CA | — | ◇ UNVERIFIED |
| WCWest Coast Metalcrafts, INC. | Long Beach | CA | — | ◇ UNVERIFIED |
| WCWest Coast Metal Finishing | Los Angeles | CA | — | ◇ UNVERIFIED |
| WCWest Coast Spas | Woodburn | OR | — | ◇ UNVERIFIED |
| WCWestern Coating INC | Auburn | WA | — | ◇ UNVERIFIED |
 Western Industrial Contractors | Aurora | CO | — | ◇ UNVERIFIED |
| WPWestern Plastics, Plant #2 | Portland | TN | — | ◇ UNVERIFIED |
| WPWestern Plating Co., INC. | Owensboro | KY | — | ◇ UNVERIFIED |
| WFWest Facility - South Bearhead Creek Field | Fields | LA | — | ◇ UNVERIFIED |
| WFWest Falls Machine CO | East Aurora | NY | — | ◇ UNVERIFIED |
 Westfield Electroplating CO | Westfield | MA | — | ◇ UNVERIFIED |
| WAWestford Anodizing Corporation | Westford | MA | — | ◇ 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 |
| WIWestmor Industries LLC - Truck | Morris | MN | — | ◇ UNVERIFIED |
| WPWest Pharmaceutical Services | Kinston | NC | — | ◇ UNVERIFIED |
| WPWest Pharmaceutical Services | Lionville | PA | — | ◇ UNVERIFIED |
| WPWest Pharmaceutical Services | Kinston | NC | — | ◇ UNVERIFIED |
| WPWest Pharmaceutical Services of Florida | Clearwater | FL | — | ◇ UNVERIFIED |
| WPWest Pharm Serv Wmpt Sw | Williamsport | PA | — | ◇ UNVERIFIED |
| WRWest Roofing & Supply CO | Mishawaka | IN | — | ◇ UNVERIFIED |
| 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 Group, Inc., Nitro | Nitro | WV | — | ◇ UNVERIFIED |
| WVWest Virginia Steel CORP | Charleston | WV | — | ◇ UNVERIFIED |
| WFWestwick Foundry LTD | Galena | IL | — | ◇ UNVERIFIED |
| WOWestwood Ornamental Iron INC | Raytown | MO | — | ◇ UNVERIFIED |
| WFW & F Mfg CO INC | Buffalo | NY | — | ◇ UNVERIFIED |
| WWWf Wood INC | Holliston | MA | — | ◇ UNVERIFIED |
| WSWhale Scientific INC | Commerce City | CO | — | ◇ UNVERIFIED |
| WHWharton Hardware and Supply CORP | Pennsauken | NJ | — | ◇ UNVERIFIED |
| WCWheelabrator Cast Product | Walterboro | SC | — | ◇ UNVERIFIED |
| WCWheeling Corrugating CO | Gary | IN | — | ◇ UNVERIFIED |
| WIWhirley Ind Inc/harmar St | Warren | PA | — | ◇ UNVERIFIED |
| WIWhirley Industries INC | Warren | PA | — | ◇ UNVERIFIED |
| WIWhirley Industries INC | Warren | PA | — | ◇ UNVERIFIED |
| WCWhiskey Creek Farms | Lawton | IA | — | ◇ UNVERIFIED |
| WCWhite Cap #41 | Denver | CO | — | ◇ UNVERIFIED |
| WCWhite Cap- #67 - Home Depot | Aurora | CO | — | ◇ UNVERIFIED |
| WRWhitecraft Rattan, INC. | Miami | FL | — | ◇ UNVERIFIED |
| WFWhite Fab INC | Birmingham | AL | — | ◇ UNVERIFIED |
| WAWhitefield Auto, INC - Ashland Ave | Green Bay | WI | — | ◇ UNVERIFIED |
| WIWhitefield Industrial Coating | Green Bay | WI | — | ◇ UNVERIFIED |
| WCWhitford CORP | Frazer | PA | — | ◇ UNVERIFIED |
| WEWhiting Enterprises, INC Dba Hi Tech Metal Polishing | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| WPWhitley Products, INC. | Plymouth | IN | — | ◇ UNVERIFIED |
| WCWhitman Casting INC | Whitman | MA | — | ◇ UNVERIFIED |
| WCWhitman Company INC | Whitman | MA | — | ◇ UNVERIFIED |
| WFWhitworx Fine Metal Finishing, LLC | Lincoln | AR | — | ◇ UNVERIFIED |
| WFWilbert Funeral Services - Astral Molding & Finishing | Portland | IN | — | ◇ UNVERIFIED |
| WFWilco Finishing CORP | Brooklyn | NY | — | ◇ UNVERIFIED |
| WWWildeck West Dba Ladder Industries | Goodyear | AZ | — | ◇ UNVERIFIED |
| WWWild West Growers | Eugene | OR | — | ◇ UNVERIFIED |
| WGWilhelm General Contractors | Champaign | IL | — | ◇ UNVERIFIED |
| WIWillard Industries INC | Cincinnati | OH | — | ◇ UNVERIFIED |
| WMWillerding Metal Fabrication INC | O Fallon | MO | — | ◇ UNVERIFIED |
| WJWilliam J. Jones, INC. | Camden | NJ | — | ◇ UNVERIFIED |
| WLWilliam Leckelt Tank Battery | Evangeline | LA | — | ◇ UNVERIFIED |
| WBWilliams Bridge Company | Bessemer | AL | — | ◇ UNVERIFIED |
| WPWilliams-hayward Protective Coatings INC | Summit | IL | — | ◇ 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 |
| WYWilliam Yuenger Manufacturing CO | Chicago | IL | — | ◇ UNVERIFIED |
