• 1
    OENINDIA [OEN India Limited]
  • 2
    OHHALLSENSOR [Nanjing Ouzhuo Technology Co., Ltd.]
  • 3
    OHMITE [Ohmite Mfg. Co.]
  • 4
    OKAYA [Okaya Electric America, Inc.]
  • 5
    OKI [OKI electronic componets]
  • 6
    OLITECH [Olitech Electronics Co.Ltd]
  • 7
    OMEGA [Omega Engineering, Inc.]
  • 8
    OMNIVISION [OmniVision Technologies, Inc.]
  • 9
    OMRON [Omron Electronics LLC]
  • 10
    ONSEMI [ON Semiconductor]
  • 11
    OPLINK [OPLINK Communications Inc.]
  • 12
    OPNEXT [Opnext. Inc.]
  • 13
    OPTEK [OPTEK Technologies]
  • 14
    OPTODIODE [OptoDiode Corp]
  • 15
    OPTOSUPPLY [OptoSupply International]
  • 16
    OPTOWAY [Optoway Technology Inc]
  • 17
    OPTREX [OPTREX CORPORATION]
  • 18
    ORING [ORing Industrial Networking Corp]
  • 19
    ORIONFANS [ORION FANS]
  • 20
    ORISTER [Orister Corporation]
  • 21
    OSA [OSA Opto Light GmbH]
  • 22
    OSCILENT [Oscilent Corporation]
  • 23
    OSRAM [OSRAM GmbH]
  • 24
    OST [On-Shore Technology, Inc.]
  • 25
    OTAX [OTAX Corporation]
  • 26
    OTTO [OTTO Engineering, Inc]
  • 27
    OXFORD [Oxford Semiconductor]