| WSWitts Services, LLC | Bergholz | OH | — | ◇ UNVERIFIED |
| WCWizard Control Systems INC | Salem | OR | — | ◇ UNVERIFIED |
| WPWjm Partners INC. | East Bernard | TX | — | ◇ UNVERIFIED |
| WHWl Hall Company | Hopkins | MN | — | ◇ UNVERIFIED |
| WVWnco Valve International, INC. | Odessa | TX | — | ◇ UNVERIFIED |
| WWWoerner Wire Works, INC. | Omaha | NE | — | ◇ UNVERIFIED |
| WEWolfe Engineering, INC. | San Jose | CA | — | ◇ UNVERIFIED |
| WIWolf Industries INC | Portland | OR | — | ◇ UNVERIFIED |
| WIWolf Industries LLC | Thomasville | NC | — | ◇ UNVERIFIED |
| WPWolverine Production & Engineering INC | Harrison Township | MI | — | ◇ UNVERIFIED |
| WMWonder Machine Services, INC. | Avon | OH | — | ◇ UNVERIFIED |
| WMWonder Metals Corporation | Redding | CA | — | ◇ UNVERIFIED |
| WGWood Group USA INC - Longmont Facility | Longmont | CO | — | ◇ UNVERIFIED |
| WGWood Group USA INC - Longmont Facility | Mead Area | CO | — | ◇ UNVERIFIED |
| WMWood Machine INC | Eagan | MN | — | ◇ UNVERIFIED |
| WFWoods Fabrication LLC | Taylorsville | GA | — | ◇ UNVERIFIED |
| WIWoodside Investment INC Dba Michael & CO | Lockeford | CA | — | ◇ UNVERIFIED |
| WPWoods Precision Products, INC. | Owasso | OK | — | ◇ UNVERIFIED |
| WMWoodstock Metal Roofing | Woodstock | GA | — | ◇ 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 |
| WFWorld Fabricators Inc | Eatonville | WA | — | ◇ UNVERIFIED |
| WMWorld Marine of Mississippi, Llc, West | Pascagoula | MS | — | ◇ UNVERIFIED |
| WFWorldwide Flight Services | Las Vegas | NV | — | ◇ UNVERIFIED |
| WTWorldwide Technologies Expansion | Franklin | KY | — | ◇ UNVERIFIED |
| WDWorth Division | Fort Worth | TX | — | ◇ UNVERIFIED |
| WMWorthington Metal Fabricators, LLC Dba Sharon Stairs (1677011204) | Akron | OH | — | ◇ 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 | West Monroe | LA | — | ◇ UNVERIFIED |
| WWrayco | Stow | OH | — | ◇ UNVERIFIED |
| WMWray Machine Shop | Wray | CO | — | ◇ 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 |
| WFWsb Fabrication LLC | Sandy | OR | — | ◇ UNVERIFIED |
| WTW - Technology, INC. | Houston | TX | — | ◇ UNVERIFIED |
| WMWulfkrik Metals Processing, LLC | Beaver | PA | — | ◇ UNVERIFIED |
| WMWv Metal Wholesalers, INC | Summersville | WV | — | ◇ UNVERIFIED |
 W & W Afco Steel | Little Rock | AR | — | ◇ UNVERIFIED |
| W&w Afco Steel | Lubbock | TX | — | ◇ UNVERIFIED |
| WMWyatt Manufacturing New Facility | South Huntingdon, Township of | PA | — | ◇ UNVERIFIED |
| WSWyatt Shiver Construction/stateline Steel, INC. | Gordon | AL | — | ◇ 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 |
| XMXtreme Machine INC. | Millville | UT | — | ◇ UNVERIFIED |
| XMXtreme Manufacturing | Las Vegas | NV | — | ◇ UNVERIFIED |
| YMYachtfish Marine | Seattle | WA | — | ◇ UNVERIFIED |
| YUYajima Usa, Limited | Reno | NV | — | ◇ UNVERIFIED |
| YLYarber, LLC | Northport | AL | — | ◇ 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 |
| YSYoder Steel Corporation | Manassas | VA | — | ◇ UNVERIFIED |
| YAYork Automotive Welding & Fabrication LLC | York | PA | — | ◇ UNVERIFIED |
| YHYork Haven Fabricators, INC. | York Haven | PA | — | ◇ UNVERIFIED |
| YSYork Sheet Metal/york | York | PA | — | ◇ UNVERIFIED |
| YYYost & Yost | Fairview | WV | — | ◇ UNVERIFIED |
| YAYoung and Daughters | Corinth | MS | — | ◇ UNVERIFIED |
| YCYoung Cimtech LLC | New Albany | IN | — | ◇ UNVERIFIED |
| YAYoungers and Sons Manufacturing CO INC | Viola | KS | — | ◇ UNVERIFIED |
| YMYoung Machine CO. | Monticello | UT | — | ◇ UNVERIFIED |
| YPYoungstown Pipe & Supply, LLC | Campbell | OH | — | ◇ UNVERIFIED |
| YMYukon Mfg CO | Litchfield | MI | — | ◇ UNVERIFIED |
| YMYulista Management Services, INC. | Madison | AL | — | ◇ UNVERIFIED |
| ZMZachry Moss Point Fabrication Facility | Moss Point | MS | — | ◇ UNVERIFIED |
| ZMZala Machine Co., INC. | Hillsborough | NJ | — | ◇ UNVERIFIED |
| ZMZankowski Machine | Hazleton | PA | — | ◇ UNVERIFIED |
| ZFZbm Fairmont | Fairmont | MN | — | ◇ UNVERIFIED |
| ZTZebra Test Facility | Hyattsville | MD | — | ◇ UNVERIFIED |
| ZSZee Systems INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| ZLZenergii, LLC | Miami Lakes | FL | — | ◇ UNVERIFIED |
| ZAZephyr Aircraft Engines INC | Zephyrhills | FL | — | ◇ UNVERIFIED |
| ZRZero Runout LLC | Kaukauna | WI | — | ◇ UNVERIFIED |
| ZTZeta Tool, L.l.c. | Troy | MI | — | ◇ UNVERIFIED |
| ZLZf Lemforder CORP | Lapeer | MI | — | ◇ UNVERIFIED |
| ZGZia-tech Gear Manufacturing INC. | Pittsburgh | PA | — | ◇ UNVERIFIED |
| ZBZierke Built Manufacturing INC | Winnebago | MN | — | ◇ UNVERIFIED |
