1. Amglo Kemlite Laboratories
2. Excelitas Technologies Corp.
3. First Light Lamps Ltd.
4. General Electric Company
5. Hamamatsu Photonics K.K.
6. HELLA GmbH & Co. KGaA
7. Heraeus Group
8. Holmarc Opto-Mechatronics Ltd.
9. IREM SpA
10. JASCO
11. KOITO MANUFACTURING CO. LTD.
12. Koninklijke Philips N.V.
13. Lumileds Holding B.V.
14. Marelli Holdings Co. Ltd.
15. Morimoto
16. Newport Corporation
17. Ocean Insight
18. OSRAM GmbH
19. Panasonic Holdings Corporation
20. PIAA Corporation
21. Stanley Electric Co. Ltd.
22. Sunoptic Technologies
23. Ushio Inc.
24. YUMEX inc.
25. ZKW Group GmbH