| TFThermo Fisher Scientific | San Jose | CA | — | ◇ UNVERIFIED |
| TSThe Smtc Manufacturing Corporation | Fremont | CA | — | ◇ UNVERIFIED |
| TZTime Zero CORP | Paterson | NJ | — | ◇ UNVERIFIED |
| TETitan Electronics | San Diego | CA | — | ◇ UNVERIFIED |
| TPTitan Pcb East INC | Amesbury | MA | — | ◇ UNVERIFIED |
| TTitan/sesco | Chatsworth | CA | — | ◇ UNVERIFIED |
 Tooh Dineh Industries, INC. | Leupp | AZ | — | ◇ UNVERIFIED |
| TEToppan Electronics INC | San Diego | CA | — | ◇ UNVERIFIED |
| TATowards Aviation | Victorville | CA | — | ◇ UNVERIFIED |
| TCTrans Circuits INC | Saint Petersburg | FL | — | ◇ UNVERIFIED |
| TETranspo Electronics INC | Orlando | FL | — | ◇ UNVERIFIED |
| TCTriad Circuit INC | Round Lake | IL | — | ◇ UNVERIFIED |
| TCTriangle Circuits of Pittsburgh | Oakmont | PA | — | ◇ UNVERIFIED |
| TCTrilogy Circuits, Inc | Richardson | TX | — | ◇ UNVERIFIED |
| TITrimble INC | Sunnyvale | CA | — | ◇ UNVERIFIED |
| TNTrimble Navigation | Sunnyvale | CA | — | ◇ UNVERIFIED |
| TNTrimble Navigation | Milpitas | CA | — | ◇ UNVERIFIED |
| TNTrimble Navigation Limited | Englewood | CO | — | ◇ UNVERIFIED |
| TNTrimble Navigation Limited INC | Broomfield | CO | — | ◇ UNVERIFIED |
| TNTrimble Navigation LTD | Sunnyvale | CA | — | ◇ UNVERIFIED |
| TMTritech Manufacturing Incorporated | Fort Wayne | IN | — | ◇ UNVERIFIED |
| TATriton Aerospace | Burlington | WA | — | ◇ UNVERIFIED |
| TFTriumph Fabrications - San Diego | El Cajon | 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 |
| TST S Mfg INC | Atwater | CA | — | ◇ UNVERIFIED |
| TPTtm Printed Circuit Group INC | San Diego | CA | — | ◇ UNVERIFIED |
 Ttm Technologies | Santa Clara | CA | — | ◇ UNVERIFIED |
| Ttm Technologies Binghamton | Endicott | NY | — | ◇ UNVERIFIED |
| Ttm Technologies - Hayward/uni | Union City | CA | — | ◇ UNVERIFIED |
| Ttm Technologies INC | Logan | UT | — | ◇ UNVERIFIED |
| Ttm Technologies Redmond Site | Redmond | WA | — | ◇ UNVERIFIED |
| TITwin Industries | Santa Clara | CA | — | ◇ UNVERIFIED |
| TETyco Electronics Printed Circuit Group INC Los Angeles Div | Inglewood | CA | — | ◇ UNVERIFIED |
| TPTyco Printed Circuit Goup-stafford Div | Staffordville | CT | — | ◇ UNVERIFIED |
| TPTyco Printed Circuit Group Melbourne Div. | Melbourne | FL | — | ◇ UNVERIFIED |
| TPTyco Printed Circuit Group Stafford Div | Stafford | CT | — | ◇ UNVERIFIED |
| TPTyco Printed Circut Group INC | Inglewood | CA | — | ◇ UNVERIFIED |
| USUltimate Solutions CORP | San Jose | CA | — | ◇ UNVERIFIED |
| UEUltra Electronics Ocean Systems | Braintree | MA | — | ◇ UNVERIFIED |
| UEUltra Electronics Ocean Systems INC | Quincy | MA | — | ◇ UNVERIFIED |
| UEUltra Electronics - Ussi | Columbia City | IN | — | ◇ UNVERIFIED |
 Undersea Sensor Systems, INC. | Columbia City | IN | — | ◇ UNVERIFIED |
| URUnicircuit - Roseville | Roseville | MN | — | ◇ UNVERIFIED |
| UUnipixel | Colorado Springs | CO | — | ◇ UNVERIFIED |
| UEUnited Electronics CORP | Rosemont | IL | — | ◇ 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 |
| UIUnit Industries Group INC Ems | Fullerton | CA | — | ◇ UNVERIFIED |
 Universal Avionics Systems CORP Willows | Redmond | WA | — | ◇ UNVERIFIED |
| UPUpstate Printed Circuits INC | Syracuse | NY | — | ◇ UNVERIFIED |
| UNUrsa Navigation Solutions, Inc. | North Billerica | MA | — | ◇ UNVERIFIED |
| UBUS Bank | Saint Paul | MN | — | ◇ UNVERIFIED |
| UOUsdol Osha- North Aurora | Loves Park | IL | — | ◇ UNVERIFIED |
| UNU.s. Navy Combat System Engineering Development Site | Moorestown | NJ | — | ◇ 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 |
 Vanguard Ems | Beaverton | OR | — | ◇ UNVERIFIED |
| VIVarian INC | Rocklin | CA | — | ◇ UNVERIFIED |
| VIVarian INC | Poway | CA | — | ◇ UNVERIFIED |
| VEVas Engineering INC | San Diego | CA | — | ◇ UNVERIFIED |
| VAVazquez Auto Electric | Jurupa Valley | CA | — | ◇ UNVERIFIED |
| VCVelie Circuits INC | Costa Mesa | CA | — | ◇ UNVERIFIED |
| VMVeritek Mfg Services | San Jose | CA | — | ◇ UNVERIFIED |
| VEVerity Ems INC | Milpitas | CA | — | ◇ UNVERIFIED |
| VCVermont Circuits | Brattleboro | VT | — | ◇ UNVERIFIED |
| VSViasystems San Jose | San Jose | CA | — | ◇ UNVERIFIED |
| VTViasystems Technologies CORP LLC Dba Ttm Techmologies INC | Milpitas | CA | — | ◇ UNVERIFIED |
| VTViasystems Technologies Corporation LLC | Richmond | VA | — | ◇ UNVERIFIED |
| VTVictor Tool Co., INC. | Meriden | CT | — | ◇ UNVERIFIED |
| VIVisioneering INC | Fraser | MI | — | ◇ UNVERIFIED |
| VVmic | Huntsville | AL | — | ◇ UNVERIFIED |
| VSVm Services | Newark | CA | — | ◇ UNVERIFIED |
| VVmsi | Milpitas | CA | — | ◇ UNVERIFIED |
| WTWa317947476 - Trufab LLC | Shelton | WA | — | ◇ UNVERIFIED |
| WAWa317947827 - Afab Enterprises LLC | Anacortes | WA | — | ◇ UNVERIFIED |
| WHWa317948263 - Honeywell International | Renton | WA | — | ◇ UNVERIFIED |
| WSWards Science | Rochester | NY | — | ◇ UNVERIFIED |
| WEWaytec Electronics CORP | Lynchburg | VA | — | ◇ UNVERIFIED |
| WUWeidmuller USA Richmond Virginia | Richmond | VA | — | ◇ UNVERIFIED |
| WCWellex Corporation | Fremont | CA | — | ◇ UNVERIFIED |
| WCWellex Corporation | Fremont | CA | — | ◇ UNVERIFIED |
| WNWestak North Site | Redmond | WA | — | ◇ UNVERIFIED |
| WOWestak of Oregon INC | Forest Grove | OR | — | ◇ UNVERIFIED |
| WCWestern Circuits INC | Venice | CA | — | ◇ UNVERIFIED |
| WMWestern Magnum Corporation | El Segundo | CA | — | ◇ UNVERIFIED |
 Williamsrdm, INC. | Fort Worth | TX | — | ◇ UNVERIFIED |
| WWinonics (brea) | Brea | CA | — | ◇ UNVERIFIED |
| WIWinonics INC Dba Bench 2 Bench | Fullerton | CA | — | ◇ UNVERIFIED |
| WIWontronics INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| XCXetel Corporation | Dallas | TX | — | ◇ UNVERIFIED |
| YLYoungtronics LLC | Wixom | MI | — | ◇ UNVERIFIED |
| ZEZytek Ems | Milpitas | CA | — | ◇ UNVERIFIED |
