| TETrayer Engineering Corporation | San Leandro | CA | — | ◇ UNVERIFIED |
| TITrek, INC. an Advanced Energy Company | Lockport | NY | — | ◇ UNVERIFIED |
| TFTric Facility | Sparks | NV | — | ◇ UNVERIFIED |
| TCTriton Consolidated | Duncanville | TX | — | ◇ UNVERIFIED |
| TATriumph Airborne Structures | Hot Springs | AR | — | ◇ UNVERIFIED |
| TCTriumph Composite Systems INC | Spokane | WA | — | ◇ UNVERIFIED |
| TFTriumph Fabrication Shelbyville | Shelbyville | IN | — | ◇ UNVERIFIED |
| TGTriumph Group | El Cajon | CA | — | ◇ UNVERIFIED |
| TITriumph Interiors Atlanta | Atlanta | GA | — | ◇ UNVERIFIED |
| TITriumph Interiors, INC. | Oakdale | PA | — | ◇ UNVERIFIED |
| TSTriumph Structures Kansas City | Edgerton | KS | — | ◇ UNVERIFIED |
| TSTriumph Structures-los Angeles, INC | Walnut | CA | — | ◇ UNVERIFIED |
| TPTrue Power Instrumentation and Electrical LLC | Magnolia | TX | — | ◇ UNVERIFIED |
 Trutech Specialty Motors INC | Plymouth | MN | — | ◇ UNVERIFIED |
 Trygve Enterprises LLC | College Station | TX | — | ◇ UNVERIFIED |
| TITset, INC | Santa Clara | CA | — | ◇ UNVERIFIED |
| TMTss Microscopy LLC | Hillsboro | OR | — | ◇ UNVERIFIED |
| TATulimieri Associates, INC. | Glastonbury | CT | — | ◇ UNVERIFIED |
| TITurbines, INC | Altus | OK | — | ◇ UNVERIFIED |
| TBTwelve Benefit Corporation | Berkeley | CA | — | ◇ UNVERIFIED |
| TWTwenty Wayland LLC | Wayland | MA | — | ◇ UNVERIFIED |
 Tyee Aircraft Mckechnie Group | Everett | WA | — | ◇ UNVERIFIED |
| UIUltrax INC | Lees Summit | MO | — | ◇ UNVERIFIED |
| UAUnical Aero INC | City of Industry | CA | — | ◇ UNVERIFIED |
| USUnicat Services | Alvin | TX | — | ◇ UNVERIFIED |
| UPUnified Power USA | Newark | CA | — | ◇ UNVERIFIED |
| UPUnion Pacific Railroad Company - Former Mp Shops | Sedalia | MO | — | ◇ UNVERIFIED |
| UAUnique Airmotive | Rock Hill | SC | — | ◇ UNVERIFIED |
| UEUnison Energy | San Jose | CA | — | ◇ UNVERIFIED |
 United Electric Controls Precision Sensors Divisions | Milford | CT | — | ◇ UNVERIFIED |
| USUnited Sun Energy INC. | Chico | CA | — | ◇ UNVERIFIED |
| UCUniversal Cargo Doors & Service, INC. | Miami | FL | — | ◇ UNVERIFIED |
| UCUniversal Cargo Doors & Service, INC. | Miami | FL | — | ◇ UNVERIFIED |
| UEUniversal Elec Bus | Canonsburg | PA | — | ◇ UNVERIFIED |
| UPUniversal Products | Brockton | MA | — | ◇ UNVERIFIED |
| UPUpstart Power INC | Southborough | MA | — | ◇ UNVERIFIED |
| UEUpstate Electrical Technologies Acquisition Corp. | Fairport | NY | — | ◇ UNVERIFIED |
| UEUpstate Electrical Technologies Acquisition Corp. | Avon | NY | — | ◇ UNVERIFIED |
| ULUsaf Luke Air Force Base | Glendale | AZ | — | ◇ UNVERIFIED |
| UAU.s. Air Force 446th Airlift Wing | Joint Base Lewis Mcchord | WA | — | ◇ UNVERIFIED |
| UVUSA Vision Systems INC | Irvine | CA | — | ◇ UNVERIFIED |
| UCU.S. Controls, Inc. | Ontario | CA | — | ◇ UNVERIFIED |
| UCU.S. Controls, Inc. | Ontario | CA | — | ◇ UNVERIFIED |
| UDU.s. Dept. of Navy | Cherry Point | NC | — | ◇ UNVERIFIED |
| UEUS Epa Region 2 - Ridgewood Summerfield St Mercury Site | Ridgewood | NY | — | ◇ UNVERIFIED |
| USU S Gauge | Bartow | FL | — | ◇ UNVERIFIED |
| UUstec | Victor | NY | — | ◇ UNVERIFIED |
| UAUtc Aerospace System Dba Goodrich Corporation | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| UAUtc Aerospace Systems | Colorado Springs | CO | — | ◇ UNVERIFIED |
| UAUtc Aerospace Systems - Eagan | Eagan | MN | — | ◇ UNVERIFIED |
