| TCTe Conectivity | Menlo Park | CA | — | ◇ UNVERIFIED |
| TCTe Connectivity | Hampton | VA | — | ◇ UNVERIFIED |
| TSTektronix Service Solutions, INC. | Orlando | FL | — | ◇ UNVERIFIED |
 Teledyne Controls Div Teledyn | Los Angeles | CA | — | ◇ UNVERIFIED |
| TITeledyne Instruments, INC. | Dallas | TX | — | ◇ UNVERIFIED |
| TWTeledyne Wireles LLC Dba Teled | Sunnyvale | CA | — | ◇ UNVERIFIED |
| TCTelephonics Corporation/ttm Technologies Building Expansion | Elizabeth City | NC | — | ◇ UNVERIFIED |
| TBTelonic Berkeley INC | Laguna Beach | CA | — | ◇ UNVERIFIED |
| TITeradyne INC. | Agoura Hills | CA | — | ◇ UNVERIFIED |
| TBThe Boeing Company | Torrance | CA | — | ◇ UNVERIFIED |
| TTThermal Transfer Composites, LLC | Chattanooga | TN | — | ◇ UNVERIFIED |
| TOThinksign Optoelectronics, Inc. | Louisville | KY | — | ◇ UNVERIFIED |
| TMThomson Multimedia INC. | Marion | IN | — | ◇ UNVERIFIED |
| TJThree J USA, LLC | Milwaukee | WI | — | ◇ UNVERIFIED |
 Tlc Electronics INC | Saint Paul | MN | — | ◇ UNVERIFIED |
 Tobar Industries | Mountain View | CA | — | ◇ UNVERIFIED |
| Tobar Industries INC. | Morgan Hill | CA | — | ◇ UNVERIFIED |
| TETokyo Electron America INC | Lehi | UT | — | ◇ UNVERIFIED |
| TAToshiba America Electronic Com | San Jose | CA | — | ◇ UNVERIFIED |
| TAToshiba America Electronic Components, INC | San Jose | CA | — | ◇ UNVERIFIED |
| TCTrandes Corporation | Norfolk | VA | — | ◇ UNVERIFIED |
| TATranex, a Division of Badger Magnetics, INC | Colorado Springs | CO | — | ◇ UNVERIFIED |
| TTTransaction Tech INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| TJTranschem Jetronics Ind INC D | Corona | CA | — | ◇ UNVERIFIED |
| TPTransco Products INC | Camarillo | CA | — | ◇ UNVERIFIED |
| TDTransfer Devices INC | Santa Clara | CA | — | ◇ UNVERIFIED |
| TDTransistor Devices Inc/stroudsburg | Delaware Water Gap | PA | — | ◇ UNVERIFIED |
| TTrans-lux | Norwalk | CT | — | ◇ UNVERIFIED |
| TITricon Industries INC | Downers Grove | IL | — | ◇ UNVERIFIED |
| TLTri-mcag, LLC | Visalia | CA | — | ◇ UNVERIFIED |
| TPTrinity Public Utilities District | Hayfork | CA | — | ◇ UNVERIFIED |
| TLTrio Laboratories INC | Plainview | NY | — | ◇ UNVERIFIED |
| TETrombetta Electronics | Malden | MA | — | ◇ UNVERIFIED |
| TSTrw Sensor Operations | San Dimas | CA | — | ◇ UNVERIFIED |
| TTTrw Technar INC | Irwindale | CA | — | ◇ UNVERIFIED |
| TITsc International, INC. | Toledo | IL | — | ◇ UNVERIFIED |
| TITStream, Inc. | San Jose | CA | — | ◇ UNVERIFIED |
| TPTte Plano | Plano | TX | — | ◇ UNVERIFIED |
| TJTurbo Jet Prod CO INC | Rosemead | CA | — | ◇ UNVERIFIED |
| TETyco Electronics/ciid | Asheville | NC | — | ◇ UNVERIFIED |
| TPTyco Printed Circuit Group INC | Santa Clara | CA | — | ◇ UNVERIFIED |
| TCTympanium Corporation | Malden | MA | — | ◇ UNVERIFIED |
| UIUnimeasure INC | Corvallis | OR | — | ◇ UNVERIFIED |
| UTUnison Transformer Svcs INC | Kansas City | KS | — | ◇ UNVERIFIED |
 United Radio Frequency LLC | Fountain | CO | — | ◇ UNVERIFIED |
| UPUnitrode Passive Components Di | Sun Valley | CA | — | ◇ UNVERIFIED |
| UCUS Coast Guard Sta Alexandria Bay | Fineview | NY | — | ◇ UNVERIFIED |
| UOUsdol Osha- North Aurora | Lostant | IL | — | ◇ UNVERIFIED |
| UOUsdol Osha- North Aurora | Polo | IL | — | ◇ UNVERIFIED |
| USU.s. Sensor CORP | Orange | CA | — | ◇ UNVERIFIED |
