1. AGC Inc.
2. Applied Materials Inc.
3. AvanStrate Inc.
4. Codex International
5. Compagnie de Saint-Gobain S.A.
6. Coresix Precision Glass Inc.
7. Corning Incorporated
8. Coursen Coating Labs. Inc.
9. GAGE-LINE TECHNOLOGY Inc.
10. Hoya Corporation
11. Koch Industries Inc.
12. Kyodo International Inc.
13. Merck KGaA
14. MTI Corporation
15. Nippon Sheet Glass Company
Limited
16. Ohara Inc.
17. Ossila Ltd.
18. Otto Chemie Pvt. Ltd.
19. Plan Optik AG
20. Resonac Holdings Corporation
21. Schott AG
22. Specialty Glass Products
23. Swift Glass Company
24. Sydor Optics
25. Techinstro
26. Viracon