| SDSun Dial & Panel Corporation | Fairfield | NJ | — | ◇ UNVERIFIED |
| SPSundstrand Power Systems | San Diego | CA | — | ◇ UNVERIFIED |
| SSunvair | Valencia | CA | — | ◇ UNVERIFIED |
| SGSupreme Gear CO | Roseville | MI | — | ◇ UNVERIFIED |
| STSurface Technologies Corporation- Naval Base San Diego 32nd St | San Diego | CA | — | ◇ UNVERIFIED |
| S1Sv 166-16 Woodson Mtn | Ramona | CA | — | ◇ UNVERIFIED |
| S2Sv 214-01 John Wayne | Costa Mesa | CA | — | ◇ UNVERIFIED |
| SASwift-cor Aerospace INC | Gardena | CA | — | ◇ UNVERIFIED |
| SASwift-cor Aerospace, INC. | Gardena | CA | — | ◇ UNVERIFIED |
 Symbolic Displays INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| SDSyncro Design | Van Nuys | CA | — | ◇ UNVERIFIED |
| S3Systems 3, INC. | Tempe | AZ | — | ◇ UNVERIFIED |
| TPTakata Protection Systems, INC. | Pompano Beach | FL | — | ◇ UNVERIFIED |
| TATanis Aircraft Products | Glenwood | MN | — | ◇ UNVERIFIED |
| TPTarver Propellers, LLC. | Fallon | NV | — | ◇ UNVERIFIED |
| TATase, Aka Hb-medtek | Phoenix | AZ | — | ◇ UNVERIFIED |
| TSTektronix Service Solutions, INC. | Orlando | FL | — | ◇ UNVERIFIED |
| TETeledyne Electronic Systems | Northridge | CA | — | ◇ UNVERIFIED |
| TSTeledyne Seabotix Incorporated | San Diego | CA | — | ◇ UNVERIFIED |
| TETemple Electronics | Houston | TX | — | ◇ UNVERIFIED |
| TITexas Instruments INC | Lewisville | TX | — | ◇ UNVERIFIED |
| TATextron Aviation - Interiors Mfg. Facility (s Maize Rd) | Wichita | KS | — | ◇ UNVERIFIED |
| TThales | Kansas City | KS | — | ◇ UNVERIFIED |
| TAThales Aerospace Communications Fullerton INC Dba Comant Industries | Fullerton | CA | — | ◇ UNVERIFIED |
| TGThales Group International | Orlando | FL | — | ◇ UNVERIFIED |
| TAThe Aerospace CORP - Cos-2 | Colorado Springs | CO | — | ◇ UNVERIFIED |
| TBThe Boeing CO | Portland | OR | — | ◇ UNVERIFIED |
| TBThe Boeing Company | Anaheim | CA | — | ◇ UNVERIFIED |
| TBThe Boeing Company | Orangeburg | SC | — | ◇ UNVERIFIED |
| TBThe Boeing Company | Eglin Afb | FL | — | ◇ UNVERIFIED |
| TCThe Cardenas Family Trust November 7, 2001 | San Diego | CA | — | ◇ UNVERIFIED |
| TLThe Landing Gear Works LLC | Renton | WA | — | ◇ UNVERIFIED |
| TTThornton Technology Corporation | Oceanside | CA | — | ◇ UNVERIFIED |
| TIT.i. International, LTD. | North Chicago | IL | — | ◇ UNVERIFIED |
| TATimco Aerosystems, LLC | Greensboro | NC | — | ◇ UNVERIFIED |
| TATimco Aerosystems,llc | Winston Salem | NC | — | ◇ UNVERIFIED |
| TATld Ace | Windsor | CT | — | ◇ UNVERIFIED |
| TMTolerance Masters | Circle Pines | MN | — | ◇ UNVERIFIED |
| TATopcast Aviation USA INC. | Pomona | CA | — | ◇ UNVERIFIED |
| TATowards Aviation | Victorville | CA | — | ◇ UNVERIFIED |
| TITransdigm INC Adel Wiggins Gr | Los Angeles | CA | — | ◇ UNVERIFIED |
| TFTric Facility | Sparks | NV | — | ◇ UNVERIFIED |
| TITrimble INC | Sunnyvale | CA | — | ◇ UNVERIFIED |
| TNTrimble Navigation | Milpitas | CA | — | ◇ UNVERIFIED |
| TNTrimble Navigation | Sunnyvale | CA | — | ◇ UNVERIFIED |
| TNTrimble Navigation Limited | Englewood | CO | — | ◇ UNVERIFIED |
| TNTrimble Navigation Limited INC | Broomfield | CO | — | ◇ UNVERIFIED |
| TNTrimble Navigation LTD | Sunnyvale | CA | — | ◇ 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 |
| TFTriumph Fabrications - San Diego | El Cajon | CA | — | ◇ 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 |
| THTroy Hill Industrial Park - Ngsc Msat3 | Elkridge | MD | — | ◇ UNVERIFIED |
| TNTrue North Apartment Building | Seattle | WA | — | ◇ UNVERIFIED |
| TETrw Electromagnetic Systems | Sunnyvale | CA | — | ◇ UNVERIFIED |
| TSTrw Systems Integration Group | Sunnyvale | CA | — | ◇ UNVERIFIED |
 Tyee Aircraft Mckechnie Group | Everett | WA | — | ◇ UNVERIFIED |
| UEUltra Electronics Ocean Systems | Braintree | MA | — | ◇ UNVERIFIED |
| UEUltra Electronics Ocean Systems INC | Quincy | MA | — | ◇ UNVERIFIED |
| UEUltra Electronics - Ussi | Columbia City | IN | — | ◇ UNVERIFIED |
| UIUltrax INC | Lees Summit | MO | — | ◇ UNVERIFIED |
 Undersea Sensor Systems, INC. | Columbia City | IN | — | ◇ UNVERIFIED |
| UAUnical Aero INC | City of Industry | CA | — | ◇ UNVERIFIED |
| UAUnique Airmotive | Rock Hill | SC | — | ◇ UNVERIFIED |
| ULUnited Launch Alliance LLC | Vandenberg Afb | CA | — | ◇ UNVERIFIED |
| UPUnited Paradyne Corporation | Vandenberg Afb | CA | — | ◇ UNVERIFIED |
| UTUnited Technologies Corporation Dba Atlantic Inertial Systems | Heath | OH | — | ◇ UNVERIFIED |
 Universal Avionics Systems CORP Willows | Redmond | WA | — | ◇ UNVERIFIED |
| UCUniversal Cargo Doors & Service, INC. | Miami | FL | — | ◇ UNVERIFIED |
| UCUniversal Cargo Doors & Service, INC. | Miami | FL | — | ◇ UNVERIFIED |
| UNUrsa Navigation Solutions, Inc. | North Billerica | MA | — | ◇ UNVERIFIED |
| ULUsaf Luke Air Force Base | Glendale | AZ | — | ◇ UNVERIFIED |
| UAU.s. Air Force 446th Airlift Wing | Joint Base Lewis Mcchord | WA | — | ◇ UNVERIFIED |
| UDU.s. Dept. of Navy | Cherry Point | NC | — | ◇ UNVERIFIED |
| UOUsdol Osha- North Aurora | Loves Park | IL | — | ◇ UNVERIFIED |
| UNU.s. Navy Combat System Engineering Development Site | Moorestown | NJ | — | ◇ 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 |
| ULUtiliquest LLC | Beltsville | MD | — | ◇ UNVERIFIED |
| VIVaisala INC. | Woburn | MA | — | ◇ UNVERIFIED |
| VIVaisala, INC | Kodiak | AK | — | ◇ UNVERIFIED |
| VAVal Avionics LTD | Salem | OR | — | ◇ UNVERIFIED |
| VGValco Graphics INC | Seattle | WA | — | ◇ UNVERIFIED |
| VSValence Surface Technologies Dba Coast Plating | Gardena | CA | — | ◇ UNVERIFIED |
| VIVascenti Industries LLC | Stevensville | MD | — | ◇ UNVERIFIED |
| VAVazquez Auto Electric | Jurupa Valley | CA | — | ◇ UNVERIFIED |
| VFVelcon Filters INC | San Jose | CA | — | ◇ UNVERIFIED |
| VFVelcon Filters, INC. | Sylacauga | AL | — | ◇ UNVERIFIED |
| VSVertol Systems Company Crestview | Crestview | FL | — | ◇ UNVERIFIED |
| VTVictor Tool Co., INC. | Meriden | CT | — | ◇ UNVERIFIED |
| VIVisioneering INC | Fraser | MI | — | ◇ UNVERIFIED |
| VAVortex Aeronautical INC | Rincon | GA | — | ◇ UNVERIFIED |
| VAVought Aircraft Industries | Hawthorne | CA | — | ◇ UNVERIFIED |
