1. Abrisa Technologies by HEF Group
2. AGC Inc.
3. Avanstrate Inc.
4. AviationGlass & Technology B.V.
5. Central Glass Co. Ltd.
6. Changzhou Almaden Co. Ltd
7. China National Building Materials
8. Corning Incorporated
9. Emerge Glass India Pvt. Ltd.
10. Hilgenberg GmbH
11. HOYA CANDEO OPTRONICS CORPORATION
12. JNS Glass & Coatings.
13. Luoyang Glass Company Limited
14. Nippon Electric Glass Co. Ltd.
15. Nitto Boseki Co. Ltd
16. NovalGlass Group Ltd
17. Schott AG
18. Suzhou Huadong Coating Glass Company Ltd.
19. Xinyi Ultra-thin Glass (Dongguan) Co. Ltd.