ALPHA-ONE ELECTRONICS LTD. Brightek (Europe) Limited
DOWA Electronics Materials Co. Ltd. EPILEDS
Epistar Corporation
Everlight Electronics Co Ltd
Excelitas Technologies Corporation
Hamamatsu Photonics K.K. High Power Lighting Corporation
Kingbright
Lextar Electronics Corporation
Lite-On Inc. Lumileds
Marktech Optoelectronics
ON Semiconductor
OSRAM Opto Semiconductors Inc. ROHM Semiconductor
Ushio OPTO Semiconductors Inc. Vishay Intertechnology
Wurth Electronics Inc.