WAGO
Wakefield-Vette
Walsin Technology
Wandboard
WANYOTO
Waves-Maxx
WECO
WeEn Semiconductors
Weida Hi-tech
Weidmüller
WEIKAI
Wi2Wi
Wiha
WIMA
Winbond
Winsen
Winsok
WINSUN
Wintec Industries
WISOL
WIZnet
Wolfson Microelectronics
WORLDSEMI
Wurth Electronics
WUXI HUAJING MICRO