1. AGC Inc.
2. Asahi India Glass Limited
3. Bendheim
4. Central Glass Co. Ltd.
5. Corning Incorporated
6. GSC GLASS LTD.
7. Guardian Industries
8. Gulf Glass Industries
9. Koch Industries Inc.
10. MCGRORY GLASS Inc.
11. Nippon Sheet Glass Co. Ltd.
12. Saint-Gobain S.A.
13. Schott AG
14. Sejal Glass Ltd.
15. VITRO Flat Glass LLC
16. ?i?ecam