QT Brightek (QTB)
SunLED
Broadcom Limited
Rohm Semiconductor
Würth Elektronik
LITEON
ChromeLED
Kingbright
OSRAM Opto Semiconductors Inc.
NTE Electronics, Inc
Stanley Electric Co
Everlight Electronics Co Ltd
Lumex Opto/Components Inc.
American Opto Plus LED
Bivar Inc.
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