 Turbocombustor Technology, INC. | Malden | MA | — | ◇ UNVERIFIED |
| TDTurbo Drill Industries, INC. | Conroe | TX | — | ◇ UNVERIFIED |
| TETurbonetics Engineering & Services, INC. | Corpus Christi | TX | — | ◇ UNVERIFIED |
| TMTurner Machine | La Vergne | TN | — | ◇ UNVERIFIED |
| TITurning INC | Plymouth | MN | — | ◇ UNVERIFIED |
| TTTurn Tech INC | Fraser | MI | — | ◇ UNVERIFIED |
| TMTurntech Machine CO. | North Royalton | OH | — | ◇ UNVERIFIED |
| TMTuscaloosa Machine & Welding, INC. | Tuscaloosa | AL | — | ◇ UNVERIFIED |
| TCTusco Casting CORP. | Lodi | CA | — | ◇ UNVERIFIED |
| TITuttle, INC. | Friend | NE | — | ◇ UNVERIFIED |
| TITweedles II, LLC and Adams Automatic, Inc. as Co-Borrowers | Olmsted Falls | OH | — | ◇ UNVERIFIED |
| TCTwin City Fab INC | Circle Pines | MN | — | ◇ UNVERIFIED |
| TWT - W Valve and Machine Company | Southport | IN | — | ◇ UNVERIFIED |
| TPTyler Pipe CO | Tyler | TX | — | ◇ UNVERIFIED |
| TPTyler Production, INC. | Arkansas City | KS | — | ◇ UNVERIFIED |
| USUav Solutions, INC. | Jessup | MD | — | ◇ UNVERIFIED |
| UPUcx Properties, LLC | Cleveland | OH | — | ◇ UNVERIFIED |
| UMUff Machine Company | Kennedyville | MD | — | ◇ UNVERIFIED |
| UMUlrich Machine Works LLC | Bristow | OK | — | ◇ UNVERIFIED |
| UIUltra Industries INC | Wyoming | MN | — | ◇ UNVERIFIED |
| USUltra Specialties Incorporated | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| UTUltra Tool and Manufacturing, Inc. | Rochester | NY | — | ◇ UNVERIFIED |
| UTUltra Tool Company LLC | Howell | MI | — | ◇ UNVERIFIED |
| UPUnder Pressure Systems LLC | New Philadelphia | OH | — | ◇ UNVERIFIED |
| UIUni-fab Industries INC | Fremont | CA | — | ◇ UNVERIFIED |
| UIUnimatic INC | Saint Louis Park | MN | — | ◇ UNVERIFIED |
| UIUnimatic INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| UEUnion Electric Akers | Avonmore | PA | — | ◇ UNVERIFIED |
| UOUniparts Olsen, INC. | — | IA | — | ◇ UNVERIFIED |
| UMUnique Machine & Tool | Mc Kees Rocks | PA | — | ◇ UNVERIFIED |
| UMUnique Metal Fabrication INC | Phoenix | AZ | — | ◇ UNVERIFIED |
| UAUnited Airlines, INC. | Newark | NJ | — | ◇ UNVERIFIED |
| UIUnited Industries, INC. | Odessa | TX | — | ◇ UNVERIFIED |
| UMUnited Machining, Inc | Sutton | MA | — | ◇ UNVERIFIED |
| UMUnited Machining, INC. | Englewood | CO | — | ◇ UNVERIFIED |
| UMUnited Mechanical & Metal Fabricators, Inc. | Union City | CA | — | ◇ UNVERIFIED |
| UPUnited Performance Metals | La Mirada | CA | — | ◇ UNVERIFIED |
| USUnited States Pipe and Foundry Company Dba U.s. Pi | Union City | CA | — | ◇ UNVERIFIED |
| USUnited States Pipe & Foundry Company LLC | Naperville | IL | — | ◇ UNVERIFIED |
| USUnited Steel Ventures INC Dba United Precision Mac | Edina | MN | — | ◇ UNVERIFIED |
| UWUnitized West | Chehalis | WA | — | ◇ UNVERIFIED |
| UTUnity Tool INC Dba Unity Precision Manufacturing | Maple Grove | MN | — | ◇ UNVERIFIED |
| UCUniversal Compression INC | Tulsa | OK | — | ◇ UNVERIFIED |
| UFUniversal Formations INC | Burnsville | MN | — | ◇ UNVERIFIED |
| UHUniversal Head CO INC | Joliet | IL | — | ◇ UNVERIFIED |
| UMUniversal Machine Shop | Huntington Beach | CA | — | ◇ UNVERIFIED |
| UTUniversal Tool, INC. | Rainbow City | AL | — | ◇ UNVERIFIED |
| UMUpchurch Machine Co., INC. | Charlotte | NC | — | ◇ UNVERIFIED |
| UFUp Fabricating CO INC | Manistique | MI | — | ◇ UNVERIFIED |
| UIUpturn Industries, INC. | Bainbridge | NY | — | ◇ UNVERIFIED |
| UTUrgent Tool and Machine, LLC | Coopersville | MI | — | ◇ UNVERIFIED |
| UIU.s.c.g. Isc San Pedro | San Pedro | CA | — | ◇ UNVERIFIED |
| UCUS Coast Guard Station, Kodiak | Kodiak | AK | — | ◇ UNVERIFIED |
| UDU.s. Department of Labor-osha | Red Bud | IL | — | ◇ UNVERIFIED |
| UDU.s. Dol Osha | York | PA | — | ◇ UNVERIFIED |
| UOUsdol Osha - Andover | Amesbury | MA | — | ◇ UNVERIFIED |
| UOUsdol Osha - Cincinnati Area Office | Troy | OH | — | ◇ UNVERIFIED |
| UDU.s. Dol-osha Corpus Christi Area Office | Mcallen | TX | — | ◇ UNVERIFIED |
| UDU.s. Dol-osha Corpus Christi Area Office | Victoria | TX | — | ◇ UNVERIFIED |
| UDU.s. Dol-osha Corpus Christi Area Office | Corpus Christi | TX | — | ◇ UNVERIFIED |
| UDUS Dol Osha Fort Lauderdale Ao | Medley | FL | — | ◇ UNVERIFIED |
| UOUsdol Osha Lubbock | Crane | TX | — | ◇ UNVERIFIED |
| UOUsdol Osha - (mobile) | Phenix City | AL | — | ◇ UNVERIFIED |
| UOUsdol Osha - (mobile) | Theodore | AL | — | ◇ UNVERIFIED |
| UOUsdol Osha - (mobile) | Mobile | AL | — | ◇ UNVERIFIED |
| UOUsdol Osha- North Aurora | Galena | IL | — | ◇ UNVERIFIED |
| UOUsdol Osha- North Aurora | South Beloit | IL | — | ◇ UNVERIFIED |
| USU S Foundry & Manufacturing | Tampa | FL | — | ◇ UNVERIFIED |
| UCUsg Ceilings Plus LLC | Commerce | CA | — | ◇ UNVERIFIED |
| ULUS Lock & Hdwr Co/columbia | Columbia | PA | — | ◇ UNVERIFIED |
| UHUsp Holdings INC | Warren | OR | — | ◇ UNVERIFIED |
| UPU.s. Pipe Fabrication | Olivehurst | CA | — | ◇ UNVERIFIED |
| UPUS Pipe & Foundry CO | Birmingham | AL | — | ◇ UNVERIFIED |
| USU S Pipe & Foundry Company INC | Burlington Township | NJ | — | ◇ UNVERIFIED |
| USUS Steel - Ambridge | Ambridge | PA | — | ◇ UNVERIFIED |
| USUS Steel Gary Complex | Gary | IN | — | ◇ UNVERIFIED |
| USU S Tool & Gauge INC | Paris | TN | — | ◇ UNVERIFIED |
| UMUtech Manufacturing Corporation | Morgan Hill | CA | — | ◇ UNVERIFIED |
| USUtility Specialized Metals | Sun Valley | CA | — | ◇ UNVERIFIED |
| UMUtmost Machine INC. | Clearfield | PA | — | ◇ UNVERIFIED |
| VCVacant Commercial Building (former Machine Shop) | Wilmington | CA | — | ◇ UNVERIFIED |
| VValco | Huntington Park | CA | — | ◇ UNVERIFIED |
| VMValdez Machining | North Salt Lake | UT | — | ◇ UNVERIFIED |
| VCValley Creek Machine Works, INC. | Valley Grande | AL | — | ◇ UNVERIFIED |
| VMValleyford Metal Crafters LLC | Spokane | WA | — | ◇ UNVERIFIED |
| VMValley Machine Knife | West Springfield | MA | — | ◇ UNVERIFIED |
| VMValley Machine LLC | North Plains | OR | — | ◇ UNVERIFIED |
| VMValley Metal Fab, INC. Dba Valley Welding | Santa Clara | CA | — | ◇ UNVERIFIED |
| VTValley Tool, Inc. | Appleton | WI | — | ◇ UNVERIFIED |
| VVValley / Vulcan Mold CO | Trenton | MI | — | ◇ UNVERIFIED |
| VIValmac Industries INC | Vandalia | OH | — | ◇ UNVERIFIED |
| VCValve Check INC Webster | Webster Township | MN | — | ◇ UNVERIFIED |
| VUValveworks USA | Waukesha | WI | — | ◇ UNVERIFIED |
| VMValyrian Machine LLC | Romulus | MI | — | ◇ UNVERIFIED |
| VMValyrian Machine LLC | Woodhaven | MI | — | ◇ UNVERIFIED |
| VAVan Am Tooling and Engineering | Saint Joseph | MO | — | ◇ UNVERIFIED |
| VSVancouver Steel Painters | Vancouver | WA | — | ◇ UNVERIFIED |
| VMVandergrift/ Metals Processing Facility | Vandergrift | PA | — | ◇ UNVERIFIED |
| VAV and L Machine, Inc. | Garden Grove | CA | — | ◇ UNVERIFIED |
| VAV and L Machine, Inc. | Garden Grove | CA | — | ◇ UNVERIFIED |
