United Chemi-Con
United Monolithic Semiconductors
Unity Opto Technology
Unspecified
US Sensor
US-Lasers Inc
Usha India Ltd.
Vacuumschmelze (VAC)
Vaishali Semiconductor
Vanguard International Semiconductor
Vanlong Technology Co., Ltd.
Varitronix
Varta
VCC
Vector
Vectron
VersaLogic Corporation
Vicor Corporation
Vincotech
Vishay 
0