American Bright(60) Broadcom(531) BIVAR(18) Bridgelux，inc.(102) Citizen(23) Cree(15,721) Dialight(1) Everlight(155) Lite On(135) Lumex(12) Lumileds(796) Luminus Devices(418) Lunasea Lighting(1) Light-Avenue(20) Optek / TT Electronics(20) OSRAM Opto Semiconductors(5,088) OSRAM SYLVANIA Inc.(87) Panasonic Electronic Components(7) QT Brightek(16) ROHM Semiconductor(27) Seoul Semiconductor(423) Sharp Microelectronics(5) Stanley Electric(60) Samsung Semiconductor(3,433) Toshiba(41) VCC(1) Vishay Semiconductor Opto Division(5) Würth Elektronik(33)