Advanced Radiation Corp. Lamina
Advanced Strobe Lasemtech
Agilent LedEngin
American Bright Opto Lexedis Lighting
American Opto Plus LiteOn
APL Engineered Materials Lumi Micro
Avago Technologies Lumileds
Bivar Marubeni
BLC America Matsushita Electric Co.
Blue Sky Research Narva
BLV Nichia
C&W Norlux
Carley Optek
Citizen Opto Diode Corp
Clairex Opto Tech
Compact Electric Osram
COTCO Osram Sylvania
Cree Panasonic
Dominant Semiconductor PerkinElmer Optoelectronics
EG&G Philips
Epitex Phoenix
Everlight Sanyo
FEMA Seoul Semiconductor
Fiberstars Siemens
General Electric Stanley
Gilway Suwtech
Gisolite Sylvania
Hamamatsu Texas Optoelectronics
Harison Toshiba TMD
Hewlett Packard Toshiba
ILC Toyoda Gosei
Iwasaki Electronic Tyntek
Witty Ushio
JKL Components Vishay
Kengo Waitrony
Kingbright Welch Allyn
K-Light