• 1
    U-BLOX [u-blox AG]
  • 2
    ULC [ULTRA LEVEL TECH CO., LTD.]
  • 3
    ULTRALIFE [Ultralife Corporation.]
  • 4
    UMC [UMC Corporation]
  • 5
    UMPCO [UMPCO, Inc.]
  • 6
    UMS [United Monolithic Semiconductors]
  • 7
    UNICTRON [Unictron Technologies Corporation]
  • 8
    UNIKC [Wuxi U-NIKC Semiconductor CO.,LTD]
  • 9
    UNIOHM [UNIOHM CORPORATION]
  • 10
    UNIONSEMI [Union Semiconductor, Inc.]
  • 11
    UNISEM [UNISEM]
  • 12
    UNITEDSIC [UnitedSiC.]
  • 13
    UNITPOWER [Unitpower Technology Limited]
  • 14
    UNSEMI [UN Semiconducctor INC]
  • 15
    UOT [Unity Opto Technology]
  • 16
    UPI [uPI Group Inc.]
  • 17
    USHA [Usha India Ltd.]
  • 18
    UTC [Unisonic Technologies]