| WMWieber Machine, LLC | Green Bay | WI | — | ◇ UNVERIFIED |
| WSWie Sic Machine, INC. | Lowell | MA | — | ◇ UNVERIFIED |
| WTWiesmann Tool Inc. | Alpharetta | GA | — | ◇ UNVERIFIED |
| WPWiggby Precision Machine CORP | Brooklyn | NY | — | ◇ UNVERIFIED |
| WDWilderness Design & Manufacturing INC | Orem | UT | — | ◇ UNVERIFIED |
| WMWildridge Machine, LLC | Lexington | TN | — | ◇ UNVERIFIED |
| WMWildwood Metals, INC. | Fresno | CA | — | ◇ UNVERIFIED |
| WVWillamette Valley Company - Precision Technologies | Eugene | OR | — | ◇ UNVERIFIED |
| WAWillenborg Associates, INC. | Imlay City | MI | — | ◇ UNVERIFIED |
| WCWilliam Collins Company | Central Falls | RI | — | ◇ UNVERIFIED |
| WJWilliam J Labb Sons | Philadelphia | PA | — | ◇ UNVERIFIED |
| WCWilliams Company INC. | Whiting | KS | — | ◇ UNVERIFIED |
| WSWilliam Scott | Oaklyn | NJ | — | ◇ UNVERIFIED |
| WMWilliams Machine Works Inc, Facility Number 2 | Pascagoula | MS | — | ◇ UNVERIFIED |
| WMWilliams Manufacturing | Lake Elsinore | CA | — | ◇ UNVERIFIED |
| WCWillis Commercial, LLC | Windsor | CT | — | ◇ UNVERIFIED |
| WMWilo Machine CO | Cedarburg | WI | — | ◇ UNVERIFIED |
| WUWilo USA | Cedarburg | WI | — | ◇ UNVERIFIED |
| WMWilson Machine LLC | Arcola | MO | — | ◇ UNVERIFIED |
| WMWilson Mold & Machine Corporation | Wilson | NC | — | ◇ UNVERIFIED |
| WOWilson of Wallingford INC | Wallingford | PA | — | ◇ UNVERIFIED |
| WTWilson Tool Corporation | Rockford | IL | — | ◇ UNVERIFIED |
| WHWindmill Holdings, LLC | Hamilton | MT | — | ◇ UNVERIFIED |
| WKWindy Knoll Machine, LLC | Sugarcreek | OH | — | ◇ UNVERIFIED |
| WMWinterville Machine Works, INC | Winterville | NC | — | ◇ UNVERIFIED |
| WMWiregrass Machine, INC. | Dothan | AL | — | ◇ UNVERIFIED |
| WMWiser Manufacturing | Benson | UT | — | ◇ UNVERIFIED |
| WEWolfe Engineering, INC. | San Jose | CA | — | ◇ UNVERIFIED |
| WIWolf Industries LLC | Thomasville | NC | — | ◇ 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 |
| WMWordingham Machine Co., INC. | Rochester | NY | — | ◇ UNVERIFIED |
| WMWorkman Mobile Welding LLC | Troy | MO | — | ◇ UNVERIFIED |
| WCWorld Class Precision Products | Bayfield | WI | — | ◇ UNVERIFIED |
| WFWorld Fabricators Inc | Eatonville | WA | — | ◇ UNVERIFIED |
| WHWorld Houston | Houston | TX | — | ◇ UNVERIFIED |
| WBWorldwide Brake, INC. | Humble | TX | — | ◇ UNVERIFIED |
| WFWorldwide Flight Services | Las Vegas | NV | — | ◇ UNVERIFIED |
| WMWorldWide Machining & Welding, Inc | Superior | WI | — | ◇ UNVERIFIED |
| WMWorldwide Materials Sourcing, L.l.c. | Houston | TX | — | ◇ UNVERIFIED |
| WOWorldwide Oilfield Machine | Houston | TX | — | ◇ UNVERIFIED |
| WWWorld Wind Solar | Tehachapi | CA | — | ◇ UNVERIFIED |
| WMWoven Metal Products, Inc. | Alvin | TX | — | ◇ UNVERIFIED |
| WIWpmw, INC. | Elverson | PA | — | ◇ UNVERIFIED |
| WMWray Machine Shop | Wray | CO | — | ◇ UNVERIFIED |
| WMWright Machine Monroe St | Seattle | WA | — | ◇ UNVERIFIED |
| WRWright Roller & Machine | Riverdale | IL | — | ◇ UNVERIFIED |
| WSWright Steel LLC | Harrison | AR | — | ◇ UNVERIFIED |
| WTW - Technology, INC. | Houston | TX | — | ◇ UNVERIFIED |
| WMWulfkrik Metals Processing, LLC | Beaver | PA | — | ◇ 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 |
| XMXtreme Machine INC. | Millville | UT | — | ◇ UNVERIFIED |
| YMYachtfish Marine | Seattle | WA | — | ◇ UNVERIFIED |
| YOYe Olde Machine Shoppe CO. | Orem | UT | — | ◇ UNVERIFIED |
| YMYesterday's Machine Shop | Schenectady | NY | — | ◇ 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 |
| ZMZala Machine Co., INC. | Hillsborough | NJ | — | ◇ UNVERIFIED |
| ZMZankowski Machine | Hazleton | PA | — | ◇ UNVERIFIED |
| ZTZebra Test Facility | Hyattsville | MD | — | ◇ UNVERIFIED |
| ZHZECO Holdings Corp. | Vernal | UT | — | ◇ 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 |
| ZMZ&m Machine, LLC | Willoughby | OH | — | ◇ UNVERIFIED |
| ZMZtech Mfg, LLC | Tempe | AZ | — | ◇ UNVERIFIED |
| ZSZ-Tex Services, LLC | Houston | TX | — | ◇ UNVERIFIED |
| ZAZybek Advanced Products | Boulder | CO | — | ◇ UNVERIFIED |
