| WPWilliamson Polishing & Plating Co., INC. | Indianapolis | IN | — | ◇ UNVERIFIED |
| WSWilliam's Steel Company | Jackson | TN | — | ◇ UNVERIFIED |
| WSWilliams Steel Company | Greensboro | NC | — | ◇ UNVERIFIED |
| WYWilliam Yuenger Manufacturing CO | Chicago | IL | — | ◇ UNVERIFIED |
| WTWilliard Technical Services, INC. | High Point | NC | — | ◇ UNVERIFIED |
| WCWillis Cnc, LLC | Grafton | OH | — | ◇ UNVERIFIED |
| WCWillis Commercial, LLC | Windsor | CT | — | ◇ UNVERIFIED |
| WMWillis Manufacturing INC | Dryden | MI | — | ◇ UNVERIFIED |
| WTWillis T. Pelmore | Champaign | IL | — | ◇ UNVERIFIED |
| WMWill Mathews | Jewett | IL | — | ◇ UNVERIFIED |
| WCWillowbrook Cabinets INC. | Smithfield | UT | — | ◇ UNVERIFIED |
| WCWillowbrook Citgo | Willowbrook | IL | — | ◇ UNVERIFIED |
| WGWillow Gas & Food INC | Willowbrook | IL | — | ◇ UNVERIFIED |
| WAWillows at East Greenville | East Greenville | PA | — | ◇ UNVERIFIED |
| WTWillow Tree Awards | Romeoville | IL | — | ◇ UNVERIFIED |
| WTWillow Tree Missions | Cisco | IL | — | ◇ UNVERIFIED |
| WMWill-share Manufacturing, INC. | Saint Peters | MO | — | ◇ UNVERIFIED |
| WHWillskew Holdings, LLC | Indianapolis | IN | — | ◇ UNVERIFIED |
| WPWills Pro Custom Mfg | Fort Worth | TX | — | ◇ UNVERIFIED |
| WQWilly Quoc Mai | La Mesa | CA | — | ◇ UNVERIFIED |
| WHWilmer Hernandez | Spring | TX | — | ◇ UNVERIFIED |
| WFWilmington Fibre Specialty Company, INC. | New Castle | DE | — | ◇ UNVERIFIED |
| WMWilo Machine CO | Cedarburg | WI | — | ◇ UNVERIFIED |
| WUWilo USA | Cedarburg | WI | — | ◇ UNVERIFIED |
| WPWilpak Plastics Industries INC | Kearny | NJ | — | ◇ UNVERIFIED |
| WWilsenergy | Temecula | CA | — | ◇ UNVERIFIED |
| WIWilsonart International | Temple | TX | — | ◇ UNVERIFIED |
| WCWilson Cabinetry | Billings | MT | — | ◇ UNVERIFIED |
| WCWilson Composites LLC Pendleton Plt | Pendleton | SC | — | ◇ UNVERIFIED |
| WEWilson Equipment Repair INC | Morgantown | WV | — | ◇ UNVERIFIED |
| WFWilson Fab, LLC | Sarasota | FL | — | ◇ UNVERIFIED |
| WMWilson Machine LLC | Arcola | MO | — | ◇ UNVERIFIED |
| WMWilson Mold & Machine Corporation | Wilson | NC | — | ◇ UNVERIFIED |
| WRWilson Railing & Metal Fabricating Company | Park City | IL | — | ◇ UNVERIFIED |
| WCWilsons Classic Auto | Congerville | IL | — | ◇ UNVERIFIED |
| WSWilson Sporting Goods CO | River Grove | IL | — | ◇ UNVERIFIED |
| WSWilson Supply Inc/harrisburg | Harrisburg | PA | — | ◇ UNVERIFIED |
| WTWilson Tool Corporation | Rockford | IL | — | ◇ UNVERIFIED |
| WWWilson Waste Company, INC. | Rossville | GA | — | ◇ UNVERIFIED |
| WWWilson Welding Shop | Winchester | IL | — | ◇ UNVERIFIED |
| WIWiltcher Industries, INC. | Ocala | FL | — | ◇ UNVERIFIED |
| WCWilton Corporation | Finksburg | MD | — | ◇ UNVERIFIED |
| WTWinbco Tank Company, INC. | Hugoton | KS | — | ◇ UNVERIFIED |
| WLWinbob LLC | Nashville | TN | — | ◇ UNVERIFIED |
| WCWinchester Coatings INC | Winchester | KY | — | ◇ UNVERIFIED |
| WMWinchester Metals INC | Winchester | VA | — | ◇ UNVERIFIED |
| WLWinchester/useco Litton Sys | Van Nuys | CA | — | ◇ UNVERIFIED |
| WWWinchester Woodworks Corporation | Baconton | GA | — | ◇ UNVERIFIED |
| WIWincraft INC - Corporate Office | Winona | MN | — | ◇ UNVERIFIED |
| WIWincraft INC - Distribution Center | Winona | MN | — | ◇ UNVERIFIED |
| WIWincraft INC - East Facility | Winona | MN | — | ◇ UNVERIFIED |
| WIWincraft INC - Mark Street | Winona | MN | — | ◇ UNVERIFIED |
| WIWincraft INC - West Facility | Winona | MN | — | ◇ UNVERIFIED |
| WEWincup El Campo | El Campo | TX | — | ◇ UNVERIFIED |
| WIWincup INC | Jacksonville | FL | — | ◇ UNVERIFIED |
| WLWindcrest LLC | Waconia | MN | — | ◇ UNVERIFIED |
| WLWindcrest LLC | Waconia | MN | — | ◇ UNVERIFIED |
| WMWindgap Medical INC | Watertown | MA | — | ◇ UNVERIFIED |
| WRWinding Roofing Company INC. | Wauwatosa | WI | — | ◇ UNVERIFIED |
| WHWindmill Holdings, LLC | Hamilton | MT | — | ◇ UNVERIFIED |
| WLWind-o-shield LLC | Naples | FL | — | ◇ UNVERIFIED |
| WIWindridge Implements L.l.c. | Decorah | IA | — | ◇ UNVERIFIED |
| WAWindsor Art Products INC | Pico Rivera | CA | — | ◇ UNVERIFIED |
| WLWindsor Lake North Ccdd | Loves Park | IL | — | ◇ UNVERIFIED |
| WMWindsor Machine Group | Princeton | IN | — | ◇ UNVERIFIED |
| WSWindsor Steel , INC | Elkhart | IN | — | ◇ UNVERIFIED |
| WKWindy Knoll Machine, LLC | Sugarcreek | OH | — | ◇ UNVERIFIED |
| WEWinebrenner Enterprises INC | Eugene | OR | — | ◇ UNVERIFIED |
| WAWinegarner Auto Body | Junction City | IL | — | ◇ UNVERIFIED |
| WWinekeeper | Santa Barbara | CA | — | ◇ UNVERIFIED |
| WSWine Saver LLC | Powell | OH | — | ◇ UNVERIFIED |
 Wing Inflatables INC Annex | Arcata | CA | — | ◇ UNVERIFIED |
| WWWings West International, INC. | City of Industry | CA | — | ◇ UNVERIFIED |
 Win-holt Equipment CORP. | Allentown | PA | — | ◇ UNVERIFIED |
| WCWinnebago Corners Mart | Winnebago | IL | — | ◇ UNVERIFIED |
| WIWinnebago Industries, INC - Hampton | Hampton | IA | — | ◇ UNVERIFIED |
| WMWinnebago Manufacturing CO | Blue Earth | MN | — | ◇ UNVERIFIED |
| WMWinnemucca Municipal Airport Nw Quadrant | Winnemucca | NV | — | ◇ UNVERIFIED |
| WEWinn Engineering | Anaheim | CA | — | ◇ UNVERIFIED |
| WHWinona Heating - Ventilating Company | Winona | MN | — | ◇ UNVERIFIED |
| WPWinona Production Services INC - East Building | Winona | MN | — | ◇ UNVERIFIED |
| WPWinona Pvd Coatings, LLC | Warsaw | IN | — | ◇ UNVERIFIED |
| WPWinpak Portion Packaging INC | South Chicago Heights | IL | — | ◇ UNVERIFIED |
| WCWinsted Custom Wood INC | Champlin | MN | — | ◇ UNVERIFIED |
| WIWinston Industrial Fabrication, LLC | Warminster | PA | — | ◇ UNVERIFIED |
| WIWinston Industries, INC. | Ivyland | PA | — | ◇ UNVERIFIED |
| WWintech | Cassville | MO | — | ◇ UNVERIFIED |
| WAWinter and Bain Manufacturing INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| WEWinter Equipment Company | Willoughby | OH | — | ◇ UNVERIFIED |
| WIW International LLC | Madison Heights | MI | — | ◇ UNVERIFIED |
| WMWinterville Machine Works, INC | Winterville | NC | — | ◇ UNVERIFIED |
| WIWinward International, Inc | Fremont | CA | — | ◇ UNVERIFIED |
| WIWinzeler, INC. | Harwood Heights | IL | — | ◇ UNVERIFIED |
| WCWire & Cable Specialties INC | West Chester | PA | — | ◇ UNVERIFIED |
| WIWirecrafters, INC. | Louisville | KY | — | ◇ UNVERIFIED |
| WMWiregrass Machine, INC. | Dothan | AL | — | ◇ UNVERIFIED |
| WGWire Guard Systems INC | Huntington Park | CA | — | ◇ UNVERIFIED |
| WHWire Holdings Company INC. | York | PA | — | ◇ UNVERIFIED |
| WIWiremasters INC | Columbia | TN | — | ◇ UNVERIFIED |
| WMWire Mesh West Coast CORP | Lathrop | CA | — | ◇ UNVERIFIED |
