1. AGC Group
2. Asahi India Glass Limited
3. Cardinal Glass Industries Inc.
4. Central Glass Co. Ltd.
5. Cevital Group
6. Changzhou Almaden Co. Ltd.
7. Dongguan CSG Solar Glass Co. Ltd.
8. Emerge Glass
9. Eurotherm Limited by Watlow Electric Manufacturing Co.
10. Glas Tr?sch Holding AG
11. Guardian Industries by Koch Industries Inc.
12. Jinjing (Group) Co. Ltd.
13. Kaveh Glass Industry Group
14. KCC GLASS Corporation
15. Kibing Group
16. Nippon Sheet Glass Co. Ltd.
17. PHOENICIA FLAT GLASS INDUSTRIES LTD.
18. PT Asahimas Flat Glass Tbk
19. PT Mulia Industrindo Tbk
20. Saint-Gobain Group
21. SCHOTT AG
22. Syracuse Glass Company
23. Taiwan Glass Industry Corporation
24. Vitro
S.A.B de C.V
25. ?i?ecam Group