1. U.S. Digital
  2. Ultra Technology
  3. UMC
  4. Unitrode
  5. Usar Systems
  6. UTMC Microelectronic Systems
  7. Utron
  8. V3 Semiconductor
  9. Valpey-Fisher
  10. Vanguard International Semiconductor (VIS)
  11. Vantis
  12. Vectron Laboratories
  13. VIA Technologies
  14. Videologic
  15. Virata
  16. Vishay Intertechnology
  17. Vision
  18. Visiontech
  19. Vitec Multimedia
  20. Vitesse
  21. Vivid Semiconductor
  22. VLSI Technology
  23. Voltage Multipliers (VMI)
  24. VTC
  25. Waferscale Integration (WSI)
  26. Weltrend
  27. Westcode Semiconductor
  28. Western Design Center (WDC)
  29. White Electonic Designs
  30. White Oak Semiconductor
  31. Winbond
  32. Wolfson Microelectronics
  33. XaQti
  34. Xemics
  35. Xicor
  36. Xilinx
  37. Yamaha
  38. Yozan
  39. Z-Communications
  40. Zenic
  41. Zentrum Mikroelektronic Desden (ZMD)
  42. Zetex
  43. Zilog
  44. Zoran
  45. ZSP Corporation