| WMWood Machine INC | Eagan | MN | — | ◇ 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 |
| WMWoodstock Metal Roofing | Woodstock | GA | — | ◇ UNVERIFIED |
| WDWoodwards Diesel and Machine LLC | Boones Mill | VA | — | ◇ UNVERIFIED |
| WWWood Wrench, INC. | Los Angeles | CA | — | ◇ UNVERIFIED |
| WSWoolf Steel, Incorporated | Middletown | PA | — | ◇ UNVERIFIED |
| WAWorcester Air Conditioning,llc | Ashland | MA | — | ◇ 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 |
| 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 |
| WWWorldwide Welding Services | Humble | TX | — | ◇ UNVERIFIED |
| WWWorley Welding Works, INC. | Levelland | TX | — | ◇ UNVERIFIED |
| WDWorth Division | Fort Worth | TX | — | ◇ UNVERIFIED |
| WAWorthington Armstrong Venture | Alpharetta | GA | — | ◇ UNVERIFIED |
| WAWorthington Armstrong Venture | Fontana | CA | — | ◇ UNVERIFIED |
| WCWorthington Cylinder | Claremore | OK | — | ◇ 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 |
| WWrayco | Stow | OH | — | ◇ UNVERIFIED |
| WTWrc Tooling Services, LLC | Shawnee | OK | — | ◇ UNVERIFIED |
| WMWright Machine Monroe St | Seattle | WA | — | ◇ UNVERIFIED |
 Wright Manufacturing LLC | Portland | OR | — | ◇ UNVERIFIED |
| WMWright Metal Products Crates LLC | La Vista | NE | — | ◇ 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 |
| WSW & S Company LLC | Dowagiac | MI | — | ◇ 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 |
| WMWv Metal Wholesalers, INC | Summersville | WV | — | ◇ UNVERIFIED |
 W & W Afco Steel | Little Rock | AR | — | ◇ UNVERIFIED |
| WWW & W Manufacturing Co, INC | Glendale | CA | — | ◇ UNVERIFIED |
| WIWyandotte Industries | Wyandotte | MI | — | ◇ UNVERIFIED |
| WMWyatt Manufacturing New Facility | South Huntingdon, Township of | PA | — | ◇ UNVERIFIED |
| WSWyatt Shiver Construction/stateline Steel, INC. | Gordon | AL | — | ◇ UNVERIFIED |
| WSWyatt Studio, Inc. | Novato | CA | — | ◇ 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 |
| XFX Factor Machine & Design INC | Salem | OR | — | ◇ UNVERIFIED |
| XCXli Corporation | Rochester | NY | — | ◇ UNVERIFIED |
| XX-mil,inc. | Mount Orab | OH | — | ◇ UNVERIFIED |
| XOXpl Offsite, LLC | Decatur | AL | — | ◇ UNVERIFIED |
| XLXpo Logistics | Bismarck | ND | — | ◇ UNVERIFIED |
| XWX-Stream Waterjetting, LLC | Grand Forks | ND | — | ◇ UNVERIFIED |
| XMXtreme Machine INC. | Millville | UT | — | ◇ UNVERIFIED |
| XMXtreme Manufacturing | Las Vegas | NV | — | ◇ UNVERIFIED |
| XMXtreme Manufacturing, LLC. | Henderson | NV | — | ◇ UNVERIFIED |
| XTXxpress Transportation INC. | Oswego | NY | — | ◇ UNVERIFIED |
| XIXylem INC | West Sacramento | CA | — | ◇ UNVERIFIED |
| YLY2 LLC | Pendleton | OR | — | ◇ UNVERIFIED |
| YLY2 LLC | Hillsboro | OR | — | ◇ UNVERIFIED |
| YVYadkin Valley Mechanical, INC. | Rural Hall | NC | — | ◇ UNVERIFIED |
| YUYajima Usa, Limited | Reno | NV | — | ◇ UNVERIFIED |
| YSYankee Screw Products CO | Madison Heights | MI | — | ◇ UNVERIFIED |
| YLYarber, LLC | Northport | AL | — | ◇ UNVERIFIED |
| YFYavapai Fence, INC. | Camp Verde | AZ | — | ◇ UNVERIFIED |
| YLYdkim LLC | Fort Worth | TX | — | ◇ UNVERIFIED |
| YRYellow Rose Steel Fabricators, Inc. | Houston | TX | — | ◇ UNVERIFIED |
| YRYellow Rose Steel Fabricators, Inc. | Houston | TX | — | ◇ UNVERIFIED |
| YTYellowstone Track Systems, LLC | Sheridan | WY | — | ◇ UNVERIFIED |
| YTYellowstone Track Systems, LLC | Sheridan | WY | — | ◇ UNVERIFIED |
| YTYellowstone Track Systems, LLC | Sheridan | WY | — | ◇ UNVERIFIED |
| YOYe Olde Machine Shoppe CO. | Orem | UT | — | ◇ UNVERIFIED |
| YGYesac Georgia Corporation | Lagrange | GA | — | ◇ UNVERIFIED |
| YMYesterday's Machine Shop | Schenectady | NY | — | ◇ UNVERIFIED |
| YSYH Sheet Metal Co | Oakland | CA | — | ◇ UNVERIFIED |
| YSYh Sheet Metal CO | Oakland | CA | — | ◇ UNVERIFIED |
| YSYoder Steel Corporation | Manassas | VA | — | ◇ UNVERIFIED |
| YAYork Automotive Welding & Fabrication LLC | York | PA | — | ◇ UNVERIFIED |
| YHYork Haven Fabricators, INC. | York Haven | PA | — | ◇ UNVERIFIED |
