QT Brightek (QTB)
Kingbright
Vishay Semiconductor Opto Division
Würth Elektronik
NTE Electronics, Inc
Broadcom Limited
Rohm Semiconductor
American Opto Plus LED
SunLED
Everlight Electronics Co Ltd
Visual Communications Company - VCC
Dialight
OSRAM Opto Semiconductors Inc.
Lumex Opto/Components Inc.
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