| TBThe Boeing Company | El Segundo | CA | — | ◇ UNVERIFIED |
| TBThe Boeing Company | Jacksonville | FL | — | ◇ UNVERIFIED |
| TBThe Boeing Company-c13 Facility | Huntington Beach | CA | — | ◇ UNVERIFIED |
| TBThe Boeing Company - C17 Program | Long Beach | CA | — | ◇ UNVERIFIED |
| TBThe Boeing Company Service Repair Center | Fort Walton Beach | FL | — | ◇ UNVERIFIED |
| TBThe Boeing Company St. Louis | Saint Louis | MO | — | ◇ UNVERIFIED |
| TBThe Boeing CO North Airport Facility | Long Beach | CA | — | ◇ UNVERIFIED |
| TMThe Marquardt Company | Van Nuys | CA | — | ◇ UNVERIFIED |
| TEThorenson Enterprises, LLC | Independence | KS | — | ◇ UNVERIFIED |
| TAT.O.M.I. Aircraft, Inc. | Deland | FL | — | ◇ UNVERIFIED |
| TCTotal Clean LLC of Illinois | Lake Charles | LA | — | ◇ UNVERIFIED |
| TITova Industries Dba D&s Manufacturing | Southwick | MA | — | ◇ UNVERIFIED |
| TMTownline Machine, INC. | Clifton Springs | NY | — | ◇ UNVERIFIED |
| TSTransportation Security Administration at Golden Triangle Regional Gtr | Columbus | MS | — | ◇ UNVERIFIED |
| TITriad International Maintenance Corporation | Lake City | FL | — | ◇ UNVERIFIED |
| TATri-County Aerospace Inc | Miami | FL | — | ◇ UNVERIFIED |
| TTri-remanufacturing | Terre Haute | IN | — | ◇ UNVERIFIED |
| TATriumph Aerostructures (k6 Facility) | Torrance | CA | — | ◇ UNVERIFIED |
| TATriumph Aerostructures LLC | Stuart | FL | — | ◇ UNVERIFIED |
| TATriumph Aerostructures, LLC | Hawthorne | CA | — | ◇ UNVERIFIED |
| TATriumph Aerostructures, LLC - Vought Aircraft Division | Milledgeville | GA | — | ◇ UNVERIFIED |
| TATriumph Aerostructures-vought Inegrated Programs Div | Dallas | TX | — | ◇ UNVERIFIED |
| TSTroy Systems INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| TFTrutrak Flight Systems, Inc. | Springdale | AR | — | ◇ UNVERIFIED |
| TTTulalip Test Site | Tulalip | WA | — | ◇ UNVERIFIED |
| TATurbine Airfoil Designs Inc/harrisburg | Harrisburg | PA | — | ◇ UNVERIFIED |
| TBTurbine Broach Company | Hernando | FL | — | ◇ UNVERIFIED |
| TETurbine Engine Center, INC | Medley | FL | — | ◇ UNVERIFIED |
| TOTurbine Options, LLC | Indianapolis | IN | — | ◇ UNVERIFIED |
| TOTurbine Options, LLC | Indianapolis | IN | — | ◇ UNVERIFIED |
| U1Unical 145 INC | City of Industry | CA | — | ◇ UNVERIFIED |
| UAUnical Aviation INC | City of Industry | CA | — | ◇ UNVERIFIED |
| UAUnited Aero Group | Enterprise | AL | — | ◇ UNVERIFIED |
 United Aeronautical CORP | Mcclellan | CA | — | ◇ UNVERIFIED |
| UTUnited Technologies Corporation | San Jose | CA | — | ◇ UNVERIFIED |
| UHUniversal Hydrogen | Hawthorne | CA | — | ◇ UNVERIFIED |
| UPUniversal Propulsion | Phoenix | AZ | — | ◇ UNVERIFIED |
| USUnmanned Systems Service & Support Center (textron Systems) | Blackstone | VA | — | ◇ UNVERIFIED |
| UNUp North Aerospace Solutions LLC | Burnsville | MN | — | ◇ UNVERIFIED |
| UPUsaf Plant 42/pyramid Services INC | Palmdale | CA | — | ◇ UNVERIFIED |
| UAUS Air Force Plant 42 - Boeing | Palmdale | CA | — | ◇ UNVERIFIED |
| UAUS Army Plant 2 Bell Helicopter Textron | — | TX | — | ◇ UNVERIFIED |
| UAUS Army Ruston Way Military Site | Tacoma | WA | — | ◇ UNVERIFIED |
| UAUscg Aviation Logistics Center Heavy Maintena | Elizabeth City | NC | — | ◇ UNVERIFIED |
| UAUscg Aviation Logistics Center Heavy Maintenance Facility | Elizabeth City | NC | — | ◇ UNVERIFIED |
| UDU.s. Department of Air Force, Rafb | Warner Robins | GA | — | ◇ UNVERIFIED |
| UDU.s. Department of Air Force, Rafb | Robins Afb | GA | — | ◇ UNVERIFIED |
| UDU.s. Department of Defense Tinker Afb | Tinker Afb | OK | — | ◇ UNVERIFIED |
| UOUsdol Osha - Atlanta West Ao | Marietta | GA | — | ◇ UNVERIFIED |
| VAV2x Aircraft Integration and Sustainment LLC | Crestview | FL | — | ◇ UNVERIFIED |
