1. Crystal Is Inc (Asahi Kasei)
2. Epigap Optronic Gmbh
3. Heraeus Holding Gmbh
4. Honle Uv America Inc
5. Koninklijke Philips Nv
6. Lg Innotek Co Ltd
7. Lumileds Holding Bv
8. Nichia Corporation
9. Nitride Semiconductors Co Ltd
10. Nordson Corporation
11. Osram
12. Phoseon Technology
13. Semileds Corporation
14. Sensor Electronic Technology
15. Seoulviosys Co Ltd