| WCWise County Detail & Fabrication | Rhome | TX | — | ◇ UNVERIFIED |
| WMWiser Manufacturing | Benson | UT | — | ◇ UNVERIFIED |
| WSWitts Services, LLC | Bergholz | OH | — | ◇ UNVERIFIED |
| WCWizard Control Systems INC | Salem | OR | — | ◇ UNVERIFIED |
| WHWj Haas Manufacturing Corporation | Hastings | MN | — | ◇ UNVERIFIED |
| WMWJ Molding Inc. | Schaumburg | IL | — | ◇ UNVERIFIED |
| WPWjm Partners INC. | East Bernard | TX | — | ◇ UNVERIFIED |
| WHWl Hall Company | Hopkins | MN | — | ◇ UNVERIFIED |
| WLW.m Lyles CO | Moreno Valley | CA | — | ◇ UNVERIFIED |
| WLW.m Lyles CO | Temecula | CA | — | ◇ UNVERIFIED |
| WVWnco Valve International, INC. | Odessa | TX | — | ◇ UNVERIFIED |
| WWWoerner Wire Works, INC. | Omaha | NE | — | ◇ UNVERIFIED |
| WEWolfe Engineering, INC. | San Jose | CA | — | ◇ UNVERIFIED |
| WIWolf Industries LLC | Thomasville | NC | — | ◇ UNVERIFIED |
| WTWolf Technologies, LLC | Douglassville | PA | — | ◇ UNVERIFIED |
| WPWoller Precision Machine LLC | Coleman | WI | — | ◇ UNVERIFIED |
| WHWolters Holdings, Inc. | Garland | TX | — | ◇ UNVERIFIED |
| WPWolverine Production & Engineering INC | Harrison Township | MI | — | ◇ UNVERIFIED |
| WMWonder Machine Services, INC. | Avon | OH | — | ◇ UNVERIFIED |
| WGWood Group USA INC - Longmont Facility | Longmont | CO | — | ◇ UNVERIFIED |
| WGWood Group USA INC - Longmont Facility | Mead Area | CO | — | ◇ UNVERIFIED |
| WSWoodlawn Sandblasting | West Palm Beach | FL | — | ◇ UNVERIFIED |
| WMWood Machine INC | Eagan | MN | — | ◇ UNVERIFIED |
| WLWood-mizer, LLC | Indianapolis | IN | — | ◇ UNVERIFIED |
| WEWoods Equipment CO | Gardner | MA | — | ◇ UNVERIFIED |
| WFWoods Fabrication LLC | Taylorsville | GA | — | ◇ UNVERIFIED |
| WIWoodside Investment INC Dba Michael & CO | Lockeford | CA | — | ◇ UNVERIFIED |
| WSWood & Son Cabinet CO. | Anderson | CA | — | ◇ UNVERIFIED |
| WPWoods Precision Products, INC. | Owasso | OK | — | ◇ UNVERIFIED |
| WWoodstock | Woodstock | IL | — | ◇ UNVERIFIED |
 Woodward Hrt, INC. | Pacoima | CA | — | ◇ UNVERIFIED |
| WIWoodward INC | Rockford | IL | — | ◇ UNVERIFIED |
| WDWoodwards Diesel and Machine LLC | Boones Mill | VA | — | ◇ UNVERIFIED |
| WWWood Wrench, INC. | Los Angeles | CA | — | ◇ UNVERIFIED |
| WSWoolf Steel, Incorporated | Middletown | PA | — | ◇ UNVERIFIED |
| WCWorcester County Welding CORP. | Rochdale | MA | — | ◇ UNVERIFIED |
| WIWord Industries, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| WMWordingham Machine Co., INC. | Rochester | NY | — | ◇ UNVERIFIED |
| WEWorkforce Enterprises Wfe, INC. | Galt | 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 |
| WMWorld Marine of Mississippi, Llc, West | Pascagoula | MS | — | ◇ 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 |
| WDWorth Division | Fort Worth | TX | — | ◇ UNVERIFIED |
| WCWorthington Cylinder | Claremore | OK | — | ◇ UNVERIFIED |
| WMWorthington Metal Fabricators, LLC Dba Sharon Stairs (1677011204) | Akron | OH | — | ◇ UNVERIFIED |
| WSWorthington Steelpac | Greensburg | IN | — | ◇ UNVERIFIED |
| WSWorthington Steelpac (0511005008) | North Lewisburg | OH | — | ◇ UNVERIFIED |
| WMWoven Metal Products, Inc. | Alvin | TX | — | ◇ UNVERIFIED |
| WIWpmw, INC. | Elverson | PA | — | ◇ UNVERIFIED |
| WIWps Industries INC | West Monroe | LA | — | ◇ UNVERIFIED |
| WIWps Industries INC | Ruston | LA | — | ◇ UNVERIFIED |
| WWrayco | Stow | OH | — | ◇ UNVERIFIED |
| WMWray Machine Shop | Wray | CO | — | ◇ UNVERIFIED |
| WMWright Machine CORP | Worcester | MA | — | ◇ UNVERIFIED |
| WMWright Machine Monroe St | Seattle | WA | — | ◇ UNVERIFIED |
 Wright Manufacturing LLC | Portland | OR | — | ◇ UNVERIFIED |
| WRWright Roller & Machine | Riverdale | IL | — | ◇ UNVERIFIED |
| WIWrights Iron & Steel Works | Manassas Park | VA | — | ◇ UNVERIFIED |
| WSWright Steel LLC | Harrison | AR | — | ◇ UNVERIFIED |
| WIWrisco Industries, INC. | Atlanta | GA | — | ◇ UNVERIFIED |
| WIWrought Iron Creations, INC. | Huntsville | TX | — | ◇ UNVERIFIED |
| WFWsb Fabrication LLC | Sandy | OR | — | ◇ UNVERIFIED |
| WHWsb Hardware INC | Falconer | NY | — | ◇ 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 |
| 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 |
| 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 |
 W & W Afco Steel | Little Rock | AR | — | ◇ UNVERIFIED |
| W&w Afco Steel | Lubbock | TX | — | ◇ UNVERIFIED |
| WWW & W Manufacturing Co, INC | Glendale | CA | — | ◇ UNVERIFIED |
| WMWyatt Manufacturing New Facility | South Huntingdon, Township of | PA | — | ◇ UNVERIFIED |
| WSWyatt Shiver Construction/stateline Steel, INC. | Gordon | AL | — | ◇ UNVERIFIED |
| WLWyle Lab Electronic Enclosures | El Segundo | CA | — | ◇ UNVERIFIED |
| WFWyoming Fire Fabrication Inc/dba Downey Welding | Shoshoni | WY | — | ◇ UNVERIFIED |
| WMWyoming Machinery Company | Casper | WY | — | ◇ UNVERIFIED |
| WMWyoming Machinery Company: in | Gillette | WY | — | ◇ UNVERIFIED |
| WTWyoming Ts INC. Dba Tornado Shelters INC | Caddo | OK | — | ◇ 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 |
| XCXli Corporation | Rochester | NY | — | ◇ UNVERIFIED |
| XPXlt Precision Machine INC | Garden Grove | CA | — | ◇ UNVERIFIED |
| XMX Machine INC (xmi) | Riverside | CA | — | ◇ UNVERIFIED |
| XX-mil,inc. | Mount Orab | OH | — | ◇ UNVERIFIED |
