| TATrw Automotive - Machine Bldg Division | Winona | MN | — | ◇ UNVERIFIED |
| TBT&s Brass & Bronze Works INC | Travelers Rest | SC | — | ◇ UNVERIFIED |
| TTT & T Quality Electronics INC | Garden Grove | CA | — | ◇ UNVERIFIED |
| TMTucker's Machine and Steel Service INC. | Leesburg | FL | — | ◇ UNVERIFIED |
| TSTurbo Systems Incorporated | Kings Mountain | NC | — | ◇ UNVERIFIED |
| TCTurner Coatings INC. | Mulberry | FL | — | ◇ UNVERIFIED |
| TSTurner & Seymour Manufacturing Company | Torrington | CT | — | ◇ UNVERIFIED |
| TTwb | Glasgow | KY | — | ◇ UNVERIFIED |
| TTwb | Smyrna | TN | — | ◇ UNVERIFIED |
| TCTwb Company | Monroe | MI | — | ◇ UNVERIFIED |
| TCTwb Company, L.l.c. | Antioch | TN | — | ◇ UNVERIFIED |
| UMUniversal Marine & Industrial Services | Mobile | AL | — | ◇ UNVERIFIED |
| UPUpper Peninsula Machine & Engineering CO | Powers | MI | — | ◇ UNVERIFIED |
| UTUSA Today National Rack Center | Murfreesboro | TN | — | ◇ UNVERIFIED |
| UDU.s. Doe Central Training Facility | Kingston | TN | — | ◇ UNVERIFIED |
| UKUsdoe Kansas City National Security Campus (kcnsc) Nm Operations (nmo) | Albuquerque | NM | — | ◇ UNVERIFIED |
| USU S Forgecraft CORP. | Fort Smith | AR | — | ◇ UNVERIFIED |
| UNUS Naval Weapons Station Yorktown - Cheatham Annex | Yorktown | VA | — | ◇ UNVERIFIED |
| UGUssc Group INC | Exton | PA | — | ◇ UNVERIFIED |
| VNVae Nortrak Cheyenne Inc/north America INC | Cheyenne | WY | — | ◇ UNVERIFIED |
| VDVelvet Drive Transmissions | New Bedford | MA | — | ◇ UNVERIFIED |
| VMVermette Machine Company, INC. | Hammond | IN | — | ◇ UNVERIFIED |
| VAVermont Aerospace Manufacturing | Lyndonville | VT | — | ◇ UNVERIFIED |
| VUVesuvius USA | Fisher | IL | — | ◇ UNVERIFIED |
| VSVista Steel | Ventura | CA | — | ◇ UNVERIFIED |
| VFVossloh Fastening Systems | Mc Gregor | TX | — | ◇ UNVERIFIED |
| WMWagman Metal Products INC | York | PA | — | ◇ UNVERIFIED |
| WIWastequip, INC. | Mulberry | FL | — | ◇ UNVERIFIED |
Wastequip Manufacturing CO Dba Rayfo | Marissa | IL | — | ◇ UNVERIFIED |
| WIWcr INC. (0124010415) | Washington Court House | OH | — | ◇ UNVERIFIED |
| WFWellman Friction Products Brook Park | Brookpark | OH | — | ◇ UNVERIFIED |
| WEWelsh Equipment INC | Dodge Center | MN | — | ◇ UNVERIFIED |
| WCWerner Company Louisville | Louisville | KY | — | ◇ UNVERIFIED |
| WSWesco Spring CO | Chicago | IL | — | ◇ UNVERIFIED |
Western Industries INC | Watertown | WI | — | ◇ UNVERIFIED |
| WGWestfield Grinding Wheel | Westfield | MA | — | ◇ UNVERIFIED |
| WCWhirl-air-flow CORP - Big Lake | Big Lake | MN | — | ◇ UNVERIFIED |
| WPWhitehall Products | Whitehall | MI | — | ◇ UNVERIFIED |
| WOWhite Oak Radiator Service Old Hwy 80 | White Oak | TX | — | ◇ UNVERIFIED |
| WMWinnebago Manufacturing CO | Blue Earth | MN | — | ◇ UNVERIFIED |
| WUWitzenmann USA | Troy | MI | — | ◇ UNVERIFIED |
| WSW S Tyler Incorporated | Gastonia | NC | — | ◇ UNVERIFIED |
| YFYates Foil USA INC | Bordentown | NJ | — | ◇ UNVERIFIED |
| YCYoung CORP Nordick Div | Woodinville | WA | — | ◇ UNVERIFIED |
| 1A1530 Artaius - 02 | Libertyville | IL | 100–499 | ◐ LIKELY ACTIVE |
| 2H2959 Hart Court | Franklin Park | IL | 20–99 | ◐ LIKELY ACTIVE |
| 4B450 Barclay Blvd - 03 | Lincolnshire | IL | 20–99 | ◐ LIKELY ACTIVE |
| 4M480 Manufacturing | Virginia Beach | VA | 20–99 | ◐ LIKELY ACTIVE |
| 6W600 West Carboy Road | Mount Prospect | IL | 20–99 | ◐ LIKELY ACTIVE |
| AWAaa Waterjet and Machining, INC. | Royal Oak | MI | — | ◐ LIKELY ACTIVE |