| WKW. Kendall and Sons, INC. | Wanatah | IN | — | ◇ UNVERIFIED |
| WMWk Mfg | Arnold | MO | — | ◇ UNVERIFIED |
| WHWl Hall Company | Hopkins | MN | — | ◇ UNVERIFIED |
| WSWmc Steel Sc LLC | Saint Matthews | SC | — | ◇ UNVERIFIED |
| WEWolfe Engineering, INC. | San Jose | CA | — | ◇ UNVERIFIED |
| WIWolf Industries LLC | Thomasville | NC | — | ◇ UNVERIFIED |
| WSWolf Steel U.s.a. INC. | Crittenden | KY | — | ◇ UNVERIFIED |
| WTWolf Technologies, LLC | Douglassville | PA | — | ◇ UNVERIFIED |
 Wolkerstorfer CO INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| WFWollaston Foundry | Quincy | MA | — | ◇ UNVERIFIED |
| WPWoller Precision Machine LLC | Coleman | WI | — | ◇ UNVERIFIED |
| WHWolters Holdings, Inc. | Garland | TX | — | ◇ UNVERIFIED |
| WGWolverine Gasket | Inkster | MI | — | ◇ UNVERIFIED |
| WPWolverine Production & Engineering INC | Harrison Township | MI | — | ◇ UNVERIFIED |
| WTWolverine Trailers INC | Jackson | MI | — | ◇ UNVERIFIED |
| WCWomble Company INC. | Houston | TX | — | ◇ UNVERIFIED |
| WMWonder Machine Services, INC. | Avon | OH | — | ◇ UNVERIFIED |
| WMWonder Metals Corporation | Redding | CA | — | ◇ UNVERIFIED |
| WGWood Group Turbopower, Lcc | Miami Lakes | FL | — | ◇ UNVERIFIED |
| WSWoodlawn Sandblasting | West Palm Beach | FL | — | ◇ UNVERIFIED |
| WMWood Machine INC | Eagan | MN | — | ◇ UNVERIFIED |
| WLWood-mizer, LLC | Indianapolis | IN | — | ◇ UNVERIFIED |
| WPWoods Precision Products, INC. | Owasso | OK | — | ◇ UNVERIFIED |
| WWoodstock | Woodstock | IL | — | ◇ UNVERIFIED |
| WMWoodstock Metal Roofing | Woodstock | GA | — | ◇ UNVERIFIED |
| WCWoodward Controls INC | Niles | IL | — | ◇ UNVERIFIED |
| WDWoodwards Diesel and Machine LLC | Boones Mill | VA | — | ◇ UNVERIFIED |
| WIWoodworth INC | Flint | MI | — | ◇ UNVERIFIED |
| WIWoodworth INC. Homer (p0547) | Homer | MI | — | ◇ UNVERIFIED |
| WIWoodworth INC Pontiac Division | Pontiac | MI | — | ◇ UNVERIFIED |
| WIWoodworth Industries INC | Hazel Park | MI | — | ◇ UNVERIFIED |
| WPWoody's Precision Grinding | Whittier | CA | — | ◇ UNVERIFIED |
| WAWorcester Air Conditioning,llc | Ashland | MA | — | ◇ UNVERIFIED |
| WMWordingham Machine Co., INC. | Rochester | NY | — | ◇ UNVERIFIED |
| WMWorkman Mobile Welding LLC | Troy | MO | — | ◇ UNVERIFIED |
| WCWorld Class Precision Products | Bayfield | WI | — | ◇ UNVERIFIED |
| WCWorld Class Proc Corp/ambridge | Ambridge | PA | — | ◇ UNVERIFIED |
| WIWorldfab INC | Humble | TX | — | ◇ UNVERIFIED |
| WFWorld Fabricators Inc | Eatonville | WA | — | ◇ UNVERIFIED |
| WMWorld Metal Finishing | Santa Clara | CA | — | ◇ 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 |
| WAWorthington Armstron/wave - Malvern | Malvern | PA | — | ◇ UNVERIFIED |
| WCWorthington Cylinder | Claremore | OK | — | ◇ UNVERIFIED |
| WIWorthington Industries | Cleveland | OH | — | ◇ UNVERIFIED |
| WIWorthington Industries - Cleveland | Cuyahoga Heights | OH | — | ◇ UNVERIFIED |
| WSWorthington Samuel Coil Processing, LLC. (1318007554) | Cleveland | OH | — | ◇ UNVERIFIED |
| WSWorthington Steel | Decatur | AL | — | ◇ UNVERIFIED |
| WSWorthington Steel Company of Decatur, L.l.c. | Decatur | AL | — | ◇ UNVERIFIED |
| WSWorthington Steelpac | Greensburg | IN | — | ◇ UNVERIFIED |
| WSWorthington Steelpac (0511005008) | North Lewisburg | OH | — | ◇ UNVERIFIED |
| WMWorth Metals, Inc. | Green Cove Springs | FL | — | ◇ UNVERIFIED |
| WMWoven Metal Products, Inc. | Alvin | TX | — | ◇ UNVERIFIED |
| WIWpmw, INC. | Elverson | PA | — | ◇ UNVERIFIED |
| WIWps Industries INC | Ruston | LA | — | ◇ UNVERIFIED |
| WIWps Industries INC | West Monroe | LA | — | ◇ UNVERIFIED |
| WAWrap Arounds Incorporated | W Springfield | MA | — | ◇ UNVERIFIED |
| WMWray Machine Shop | Wray | CO | — | ◇ UNVERIFIED |
| WTWrc Tooling Services, LLC | Shawnee | OK | — | ◇ UNVERIFIED |
| WCWright Coating Technologies | Kalamazoo | MI | — | ◇ UNVERIFIED |
| WMWright Machine CORP | Worcester | MA | — | ◇ UNVERIFIED |
| WMWright Machine Monroe St | Seattle | WA | — | ◇ UNVERIFIED |
| WMWright Metal Products Crates LLC | La Vista | NE | — | ◇ 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 |
| WHWsb Hardware INC | Falconer | NY | — | ◇ 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 |
| WCWv Coaters | Williamstown | WV | — | ◇ UNVERIFIED |
| WBWvdoh - Boggs Run Bridge - S326-250-38.74 00 | Benwood | WV | — | ◇ UNVERIFIED |
| WDWvdoh - District 6 - Pratz Bridge #s305-67-1.36 00 23 | Bethany | WV | — | ◇ UNVERIFIED |
| WEWvdoh - Elm Grove Bridges #35-470-3.62 | Wheeling | WV | — | ◇ UNVERIFIED |
| WKWvdoh - Korean War Veterans Bridge No 52-7 Spur - 001 (new Martinsville Bridge) | New Martinsville | WV | — | ◇ UNVERIFIED |
| WMWv Metal Wholesalers, INC | Summersville | WV | — | ◇ UNVERIFIED |
| WPWv Parkways Authority Bridge - #3021 N/s 0041-077/0031.44 (03021) | Ghent | WV | — | ◇ UNVERIFIED |
| WPWv Parkways Authority - Bridge 3043n #041-077/00-0051.06 | Pax | WV | — | ◇ UNVERIFIED |
| WWW & W Manufacturing Co, INC | Glendale | CA | — | ◇ UNVERIFIED |
| WIWyandotte Industries | Wyandotte | MI | — | ◇ UNVERIFIED |
| WSWyatt Services INC | Sterling Heights | MI | — | ◇ UNVERIFIED |
| WLWyle Lab Electronic Enclosures | El Segundo | CA | — | ◇ UNVERIFIED |
| WGWyman Gordon Pa | Mountain Top | PA | — | ◇ UNVERIFIED |
| WPWyman-gordon Pennsylvania, LLC | Mountain Top | PA | — | ◇ UNVERIFIED |
| WFWyoming Fire Fabrication Inc/dba Downey Welding | Shoshoni | WY | — | ◇ UNVERIFIED |
| WMWyoming Machinery Company | Casper | WY | — | ◇ UNVERIFIED |
| WMWyoming Machinery Company: in | Gillette | WY | — | ◇ UNVERIFIED |
| WEWyowind Energy LLC Dba Ibc Construction LLC | Glenrock | WY | — | ◇ UNVERIFIED |
| WPWythe Precision Machine | Max Meadows | VA | — | ◇ UNVERIFIED |
| WBWyzer Biosciences | Auburndale | MA | — | ◇ UNVERIFIED |
| XTXactra Technologies, Inc. | Rochester | NY | — | ◇ UNVERIFIED |
| XTXaloy Tanner Plating Div | New Castle | PA | — | ◇ UNVERIFIED |
| XFX Factor Machine & Design INC | Salem | OR | — | ◇ UNVERIFIED |
