| WMWillocks Metal Shop | Maryville | TN | — | ◇ UNVERIFIED |
| WPWills Pro Custom Mfg | Fort Worth | TX | — | ◇ UNVERIFIED |
| WMWilo Machine CO | Cedarburg | WI | — | ◇ UNVERIFIED |
| WUWilo USA | Cedarburg | WI | — | ◇ UNVERIFIED |
| WRWil - Ro Incorporated | Gallatin | TN | — | ◇ UNVERIFIED |
| WIWilsey INC. | Chadwicks | NY | — | ◇ UNVERIFIED |
| WFWilson Fab, LLC | Sarasota | FL | — | ◇ UNVERIFIED |
| WMWilson Machine LLC | Arcola | MO | — | ◇ UNVERIFIED |
| WMWilson Mold & Machine Corporation | Wilson | NC | — | ◇ UNVERIFIED |
| WMWilsons Midwest Fiberglass | Carterville | MO | — | ◇ UNVERIFIED |
| WTWilson Tool Corporation | Rockford | IL | — | ◇ UNVERIFIED |
| WIWiltcher Industries, INC. | Ocala | FL | — | ◇ UNVERIFIED |
| WMWinchester Metals INC | Winchester | VA | — | ◇ 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 |
| WIWincraft INC - Mark Street | Winona | MN | — | ◇ UNVERIFIED |
| WIWincraft INC - West Facility | Winona | MN | — | ◇ UNVERIFIED |
| WHWindmill Holdings, LLC | Hamilton | MT | — | ◇ UNVERIFIED |
| WCWindy City Cutting Die, Inc. | Bensenville | IL | — | ◇ UNVERIFIED |
| WKWindy Knoll Machine, LLC | Sugarcreek | OH | — | ◇ UNVERIFIED |
 Win-holt Equipment CORP. | Allentown | PA | — | ◇ UNVERIFIED |
| WWinn | Woodland Hills | CA | — | ◇ UNVERIFIED |
| WMWinnebago Manufacturing CO | Blue Earth | MN | — | ◇ UNVERIFIED |
| WPWinona Production Services INC - East Building | Winona | MN | — | ◇ UNVERIFIED |
| WIWinston Industrial Fabrication, LLC | Warminster | PA | — | ◇ UNVERIFIED |
| WEWinter Equipment Company | Willoughby | OH | — | ◇ UNVERIFIED |
| WIW International LLC | Madison Heights | MI | — | ◇ UNVERIFIED |
| WMWinterville Machine Works, INC | Winterville | NC | — | ◇ UNVERIFIED |
| WMWiregrass Machine, INC. | Dothan | AL | — | ◇ UNVERIFIED |
| WGWire Guard Systems INC | Huntington Park | CA | — | ◇ UNVERIFIED |
| WMWiser Manufacturing | Benson | UT | — | ◇ UNVERIFIED |
| WTWiskerchen Truck and Equipment LLC | Spencer | WI | — | ◇ UNVERIFIED |
| WHWj Haas Manufacturing Corporation | Hastings | MN | — | ◇ UNVERIFIED |
| WMWJ Molding Inc. | Schaumburg | IL | — | ◇ UNVERIFIED |
| WMWj Molding INC. | Schaumburg | IL | — | ◇ UNVERIFIED |
| WBWo Bankston Lincoln-mercury | Farmers Branch | TX | — | ◇ UNVERIFIED |
| WEWolfe Engineering, INC. | San Jose | CA | — | ◇ UNVERIFIED |
| WIWolf Industries LLC | Thomasville | NC | — | ◇ UNVERIFIED |
| WTWolf Technologies, LLC | Douglassville | PA | — | ◇ UNVERIFIED |
| WPWolverine Production & Engineering INC | Harrison Township | MI | — | ◇ UNVERIFIED |
| WMWonder Machine Services, INC. | Avon | OH | — | ◇ UNVERIFIED |
| WMWood Machine INC | Eagan | MN | — | ◇ UNVERIFIED |
| WPWoods Precision Products, INC. | Owasso | OK | — | ◇ UNVERIFIED |
| WWoodstock | Woodstock | IL | — | ◇ UNVERIFIED |
| WDWoodwards Diesel and Machine LLC | Boones Mill | VA | — | ◇ UNVERIFIED |
| WMWordingham Machine Co., INC. | Rochester | NY | — | ◇ UNVERIFIED |
| WGWorkhorse Group Incorporated | Union City | IN | — | ◇ UNVERIFIED |
| WHWorkman Holdings INC Dba Tabco Precision | Fallbrook | CA | — | ◇ UNVERIFIED |
| WMWorkman Mobile Welding LLC | Troy | MO | — | ◇ UNVERIFIED |
| WCWorld Class Precision Products | Bayfield | WI | — | ◇ UNVERIFIED |
| WIWorldfab INC | Humble | TX | — | ◇ UNVERIFIED |
| WFWorld Fabricators Inc | Eatonville | WA | — | ◇ UNVERIFIED |
| WWWorld Way International INC. | Hialeah | FL | — | ◇ UNVERIFIED |
| WWWorld Wide Exchangers INC. | Skiatook | OK | — | ◇ UNVERIFIED |
| WEWorldwide Exchangers, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| WFWorldwide Flight Services | Las Vegas | NV | — | ◇ UNVERIFIED |
| WIWorldwide Integrated Resources INC | Montebello | CA | — | ◇ UNVERIFIED |
| WCWorthington Cylinder | Claremore | OK | — | ◇ UNVERIFIED |
| WSWorthington Steelpac | Greensburg | IN | — | ◇ UNVERIFIED |
| WMWoven Metal Products, Inc. | Alvin | TX | — | ◇ UNVERIFIED |
| WIWpmw, INC. | Elverson | PA | — | ◇ UNVERIFIED |
| WIWps Industries INC | Ruston | LA | — | ◇ UNVERIFIED |
| WMWray Machine Shop | Wray | CO | — | ◇ UNVERIFIED |
| WTWrc Tooling Services, LLC | Shawnee | OK | — | ◇ UNVERIFIED |
| WMWright Machine CORP | Worcester | MA | — | ◇ UNVERIFIED |
| WMWright Machine Monroe St | Seattle | WA | — | ◇ UNVERIFIED |
| WRWright Roller & Machine | Riverdale | IL | — | ◇ UNVERIFIED |
| WSWright Steel LLC | Harrison | AR | — | ◇ UNVERIFIED |
| WIWrisco Industries, INC. | Atlanta | GA | — | ◇ UNVERIFIED |
| WIWrought Iron Creations, INC. | Huntsville | TX | — | ◇ UNVERIFIED |
| WSW & S Company LLC | Dowagiac | MI | — | ◇ UNVERIFIED |
| WSW S Tyler Incorporated | Gastonia | NC | — | ◇ UNVERIFIED |
| WTW - Technology, INC. | Houston | TX | — | ◇ UNVERIFIED |
| WMWulfkrik Metals Processing, LLC | Beaver | PA | — | ◇ UNVERIFIED |
| WCWulf's Custom Welding, LLC | Springfield | NE | — | ◇ UNVERIFIED |
| WCWulf's Custom Welding, LLC | Springfield | NE | — | ◇ UNVERIFIED |
| WWW & W Manufacturing Co, INC | Glendale | CA | — | ◇ UNVERIFIED |
| WIWyandotte Industries | Wyandotte | MI | — | ◇ UNVERIFIED |
| WLWyle Lab Electronic Enclosures | El Segundo | CA | — | ◇ UNVERIFIED |
| WFWynn Fire Equipment LLC | Corbin | KY | — | ◇ UNVERIFIED |
| WFWyoming Fire Fabrication Inc/dba Downey Welding | Shoshoni | WY | — | ◇ UNVERIFIED |
| WMWyoming Machinery Company: in | Gillette | WY | — | ◇ UNVERIFIED |
| WPWythe Precision Machine | Max Meadows | VA | — | ◇ UNVERIFIED |
| WBWyzer Biosciences | Auburndale | MA | — | ◇ UNVERIFIED |
| XTXactra Technologies, Inc. | Rochester | NY | — | ◇ UNVERIFIED |
| XFX Factor Machine & Design INC | Salem | OR | — | ◇ UNVERIFIED |
| XCXli Corporation | Rochester | NY | — | ◇ UNVERIFIED |
| XX-mil,inc. | Mount Orab | OH | — | ◇ UNVERIFIED |
| XIXpo Intermodal, INC. | Memphis | TN | — | ◇ UNVERIFIED |
| XWX-Stream Waterjetting, LLC | Grand Forks | ND | — | ◇ UNVERIFIED |
| XMXtreme Machine INC. | Millville | UT | — | ◇ UNVERIFIED |
| XTXxpress Transportation INC. | Oswego | NY | — | ◇ UNVERIFIED |
| YLY2 LLC | Hillsboro | OR | — | ◇ UNVERIFIED |
| YLY2 LLC | Pendleton | OR | — | ◇ UNVERIFIED |
| YBYachiyo Building Addition | Carrollton | GA | — | ◇ UNVERIFIED |
| YMYachtfish Marine | Seattle | WA | — | ◇ UNVERIFIED |
| YVYadkin Valley Mechanical, INC. | Rural Hall | NC | — | ◇ UNVERIFIED |
