| TMTrident Machine Technologies, INC. | Hammond | IN | — | ◇ UNVERIFIED |
| TMTri-matics Mfg | Harrison Township | MI | — | ◇ UNVERIFIED |
| TMTri-way Manufacturing | Roseville | MI | — | ◇ UNVERIFIED |
| TATrw Automotive - Machine Bldg Division | Winona | MN | — | ◇ UNVERIFIED |
| TBT&s Brass & Bronze Works INC | Travelers Rest | SC | — | ◇ UNVERIFIED |
| TFTst Fab & Machine, LLC | Chesapeake | VA | — | ◇ 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 |
| TCTusco Casting CORP. | Lodi | CA | — | ◇ UNVERIFIED |
| TTwb | Smyrna | TN | — | ◇ UNVERIFIED |
| TTwb | Glasgow | KY | — | ◇ UNVERIFIED |
| TCTwb Company | Monroe | MI | — | ◇ UNVERIFIED |
| TCTwb Company, L.l.c. | Antioch | TN | — | ◇ UNVERIFIED |
| UWUnitized West | Chehalis | WA | — | ◇ UNVERIFIED |
| UCUniversal Compression INC | Tulsa | OK | — | ◇ UNVERIFIED |
| UMUniversal Marine & Industrial Services | Mobile | AL | — | ◇ UNVERIFIED |
| UPUpper Peninsula Machine & Engineering CO | Powers | MI | — | ◇ UNVERIFIED |
| UNUsag Natick Ssc | Natick | MA | — | ◇ UNVERIFIED |
| UTUSA Today National Rack Center | Murfreesboro | TN | — | ◇ UNVERIFIED |
| UCUS Casting | Canton | OH | — | ◇ 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 |
| ULUS Lock & Hdwr Co/columbia | Columbia | PA | — | ◇ UNVERIFIED |
| UNUS Naval Weapons Station Yorktown - Cheatham Annex | Yorktown | VA | — | ◇ UNVERIFIED |
| UPU.s. Pipe Fabrication | Olivehurst | CA | — | ◇ UNVERIFIED |
| USU S Pipe & Foundry Company INC | Burlington Township | NJ | — | ◇ UNVERIFIED |
| UGUssc Group INC | Exton | PA | — | ◇ UNVERIFIED |
| USUS Steel - Ambridge | Ambridge | PA | — | ◇ UNVERIFIED |
| USUtility Specialized Metals | Sun Valley | CA | — | ◇ UNVERIFIED |
| VNVae Nortrak Cheyenne Inc/north America INC | Cheyenne | WY | — | ◇ UNVERIFIED |
| VIValmet INC | Hudson Falls | NY | — | ◇ UNVERIFIED |
| VWValve & Wellhead Specialists | Scott | LA | — | ◇ UNVERIFIED |
| VDVelvet Drive Transmissions | New Bedford | MA | — | ◇ UNVERIFIED |
| VMVermette Machine Company, INC. | Hammond | IN | — | ◇ UNVERIFIED |
| VIVermilion Iron Works | Hoopeston | IL | — | ◇ UNVERIFIED |
| VAVermont Aerospace Manufacturing | Lyndonville | VT | — | ◇ UNVERIFIED |
| VUVesuvius USA | Fisher | IL | — | ◇ UNVERIFIED |
| VCVictaulic CO Amer/allentown Facility | Allentown | PA | — | ◇ UNVERIFIED |
| VFVictaulic-horizon Facility | Nephi | UT | — | ◇ UNVERIFIED |
| VPViking Pump Inc-alloys Foundry | Cedar Falls | IA | — | ◇ UNVERIFIED |
| VMVilter Manufacturing Corporation - Milwaukee | Milwaukee | WI | — | ◇ UNVERIFIED |
| VMVirginia Metalcrafters INC | Waynesboro | VA | — | ◇ UNVERIFIED |
| VSVista Steel | Ventura | CA | — | ◇ UNVERIFIED |
| VFVossloh Fastening Systems | Mc Gregor | TX | — | ◇ UNVERIFIED |
| WMWagman Metal Products INC | York | PA | — | ◇ UNVERIFIED |
| WMWalker Machine and Foundry | Roanoke | VA | — | ◇ UNVERIFIED |