| WVWillamette Valley Company | Eugene | OR | — | ◇ UNVERIFIED |
| WVWillamette Valley Company - Precision Technologies | Eugene | OR | — | ◇ UNVERIFIED |
| WMWillard Marine INC | Anaheim | CA | — | ◇ UNVERIFIED |
| WIWilleen INC Dba Bills Village Marathon | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| WAWillenborg Associates, INC. | Imlay City | MI | — | ◇ UNVERIFIED |
| WIWillfab, INC. | Marietta | GA | — | ◇ UNVERIFIED |
| WTWillhoite Tool Company INC | Georgetown | KY | — | ◇ UNVERIFIED |
| WBWilliam Bivens | Odin | IL | — | ◇ UNVERIFIED |
| WBWilliam Blue, Inc. | Norton | OH | — | ◇ UNVERIFIED |
| WCWilliam Charles Construction CO | Loves Park | IL | — | ◇ UNVERIFIED |
| WCWilliam Charles Construction LLC | Dekalb | IL | — | ◇ UNVERIFIED |
| WCWilliam Collins Company | Central Falls | RI | — | ◇ UNVERIFIED |
| WDWilliam Davis Sign Company, INC. | Winston Salem | NC | — | ◇ UNVERIFIED |
| WDWilliam D Ludlow | Ontario | CA | — | ◇ UNVERIFIED |
| WFWilliam Ferris | Urbana | IL | — | ◇ UNVERIFIED |
| WHWilliam Haggard | Tukwila | WA | — | ◇ UNVERIFIED |
| WJWilliam J Labb Sons | Philadelphia | PA | — | ◇ UNVERIFIED |
| WLWilliam Lyon | Trabuco Canyon | CA | — | ◇ UNVERIFIED |
| WMWilliam McKinley Studios, Inc. | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| WRWilliam R Tiffany & Linda E Tiffany | Vale | OR | — | ◇ UNVERIFIED |
| WBWilliams Bayou Long #1 Facility | Jeanerette | LA | — | ◇ UNVERIFIED |
| WBWilliams Bridge Company | Bessemer | AL | — | ◇ UNVERIFIED |
| WCWilliams Company INC. | Whiting | KS | — | ◇ UNVERIFIED |
| WSWilliam Scott | Oaklyn | NJ | — | ◇ UNVERIFIED |
| WDWilliams & Davis Boilers | Hutchins | TX | — | ◇ UNVERIFIED |
| WGWilliamsen Godwin Truck Body Company LLC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| WFWilliams Fabrication, INC. | Bayou La Batre | AL | — | ◇ UNVERIFIED |
| WFWilliams Fabrication, INC. Dba Jenfab | Covington | VA | — | ◇ UNVERIFIED |
| WFWilliams Finishing INC | Livonia | MI | — | ◇ UNVERIFIED |
| WHWilliams Healthcare Systems LLC | Elgin | IL | — | ◇ UNVERIFIED |
| WMWilliams Machine Works INC | Moss Point | MS | — | ◇ UNVERIFIED |
| WMWilliams Machine Works Inc, Facility Number 2 | Pascagoula | MS | — | ◇ UNVERIFIED |
| WMWilliams Manufacturing | Sylmar | CA | — | ◇ UNVERIFIED |
| WMWilliams Manufacturing | Lake Elsinore | CA | — | ◇ UNVERIFIED |
| WMWilliams Metalfinishing/sinking Spring | Sinking Spring | PA | — | ◇ UNVERIFIED |
| WNWilliams Nick | Nashville | IL | — | ◇ 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 |
| WSWilliams Sign Co, Chad S Bruce | Pomona | CA | — | ◇ UNVERIFIED |
| WSWilliam's Steel Company | Jackson | TN | — | ◇ UNVERIFIED |
| WSWilliams Steel Company | Greensboro | NC | — | ◇ UNVERIFIED |
| WFWilliamstown Fabricators INC | Parkersburg | WV | — | ◇ UNVERIFIED |
| WTWilliams Tractor INC | Fayetteville | AR | — | ◇ UNVERIFIED |
| WYWilliam Yuenger Manufacturing CO | Chicago | IL | — | ◇ UNVERIFIED |
| WTWilliard Technical Services, INC. | High Point | NC | — | ◇ UNVERIFIED |
| WBWillie Boats INC | Central Point | OR | — | ◇ UNVERIFIED |
| WCWillis Cnc, LLC | Grafton | OH | — | ◇ UNVERIFIED |
| WCWillis Commercial, LLC | Windsor | CT | — | ◇ UNVERIFIED |
| WMWillis Marine INC | Stuart | FL | — | ◇ UNVERIFIED |
| WRWillis Rubber Company INC | Wadena | MN | — | ◇ UNVERIFIED |
| WTWillis T. Pelmore | Champaign | IL | — | ◇ UNVERIFIED |
| WFWillmar Fabrication LLC | Willmar | MN | — | ◇ UNVERIFIED |
| WMWill Mathews | Jewett | IL | — | ◇ UNVERIFIED |
| WTWillmore Tool & Die INC | Gallatin | TN | — | ◇ UNVERIFIED |
| WMWillocks Metal Shop | Maryville | TN | — | ◇ UNVERIFIED |
| WCWillowbrook Citgo | Willowbrook | IL | — | ◇ UNVERIFIED |
| WGWillow Gas & Food INC | Willowbrook | IL | — | ◇ UNVERIFIED |
| WLWillow Lake Mine | Equality | IL | — | ◇ 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 |
| WRWilly Roberts Boats | Cape Canaveral | FL | — | ◇ UNVERIFIED |
| WHWilmer Hernandez | Spring | TX | — | ◇ UNVERIFIED |
| WMWilo Machine CO | Cedarburg | WI | — | ◇ UNVERIFIED |
| WUWilo USA | Cedarburg | WI | — | ◇ UNVERIFIED |
| WLWil-rich Llc-wahpeton Plant | Wahpeton | ND | — | ◇ UNVERIFIED |
| WRWil - Ro Incorporated | Gallatin | TN | — | ◇ UNVERIFIED |
| WIWilsey INC. | Chadwicks | NY | — | ◇ UNVERIFIED |
| WEWilson Equipment Repair INC | Morgantown | WV | — | ◇ UNVERIFIED |
| WFWilson Fab, LLC | Sarasota | FL | — | ◇ UNVERIFIED |
| WFWilson Farm Equipment | Union | WV | — | ◇ UNVERIFIED |
| WMWilson Machine LLC | Arcola | MO | — | ◇ UNVERIFIED |
| WMWilson Mold & Machine Corporation | Wilson | NC | — | ◇ UNVERIFIED |
| WOWilson of Wallingford INC | Wallingford | PA | — | ◇ UNVERIFIED |
| WRWilson Railing & Metal Fabricating Company | Park City | IL | — | ◇ UNVERIFIED |
| WCWilsons Classic Auto | Congerville | IL | — | ◇ UNVERIFIED |
| WMWilsons Midwest Fiberglass | Carterville | MO | — | ◇ UNVERIFIED |
| WSWilson Sporting Goods CO | River Grove | IL | — | ◇ UNVERIFIED |
| WSWilson Supply Inc/harrisburg | Harrisburg | PA | — | ◇ UNVERIFIED |
| WTWilson Tool Corporation | Rockford | IL | — | ◇ UNVERIFIED |
| WTWilson Tool & Die-st Charles | Saint Charles | MO | — | ◇ UNVERIFIED |
| WTWilson Trailer Co-plant #1 | Sioux City | IA | — | ◇ UNVERIFIED |
| WWWilson Welding Shop | Winchester | IL | — | ◇ UNVERIFIED |
| WIWiltcher Industries, INC. | Ocala | FL | — | ◇ UNVERIFIED |
| WCWilton Corporation | Finksburg | MD | — | ◇ UNVERIFIED |
 Wilwood Engineering | Camarillo | CA | — | ◇ UNVERIFIED |
| WWWimberly's Welding, INC. | Fruita | CO | — | ◇ UNVERIFIED |
| WBWimer Barahona Drywall, INC. | Santa Rosa Beach | FL | — | ◇ UNVERIFIED |
| WTWinbco Tank Company, INC. | Hugoton | KS | — | ◇ UNVERIFIED |
| WCWinchester Coatings INC | Winchester | KY | — | ◇ UNVERIFIED |
| WMWinchester Metals INC | Winchester | VA | — | ◇ UNVERIFIED |
| WPWinchester Powerboats INC | Tarboro | NC | — | ◇ UNVERIFIED |
| WLWinchester/useco Litton Sys | Van Nuys | CA | — | ◇ UNVERIFIED |
| WSWinco Stamping, INC. | Miamisburg | OH | — | ◇ UNVERIFIED |
| WIWincraft INC - Corporate Office | Winona | MN | — | ◇ UNVERIFIED |
| WIWincraft INC - Distribution Center | Winona | MN | — | ◇ UNVERIFIED |
| WIWincraft INC - East Facility | Winona | MN | — | ◇ UNVERIFIED |
