Lumex Opto/Components Inc.
Würth Elektronik
LITEON
Everlight Electronics Co Ltd
Vishay Semiconductor Opto Division
QT Brightek (QTB)
Rohm Semiconductor
CreeLED, Inc.
Visual Communications Company - VCC
OSRAM Opto Semiconductors Inc.
Marktech Optoelectronics
Kingbright
SunLED
TT Electronics/Optek Technology
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