1. T.sqware
  2. Taiwan Memory Technology (tmTECH)
  3. Taiwan Semiconductor
  4. Tamarack Microelectronics (TMI)
  5. TDK Semiconductor
  6. Teccor
  7. Tekmos
  8. TelCom Semiconductors (was Teledyne)
  9. Teledyne (-> TelCom Semiconductors)
  10. Telefunken (Vishay)
  11. Teltone
  12. Temex Components
  13. Temic Semiconductors
  14. TeraLogic
  15. Texas Instruments
  16. Thaler Corporation
  17. Thesys
  18. Thomson (SGS-) (-> ST Microelectronics)
  19. Thomson-CSF TCS
  20. Tiger Jet Network
  21. Toko Semiconductor
  22. Torex Semiconductors
  23. Toshiba
  24. Toyoda Automatic Loom Works
  25. TranSwitch
  26. Tripath Technology
  27. TriQuint Semiconductor
  28. Triscend
  29. TriTech Microelectronics
  30. TRW Commercial Microelectronics
  31. TSC America
  32. Tundra Semiconductor