1. AGC Inc.
2. Compagnie de Saint-Gobain S.A.
3. Corning Incorporated
4. Fuyao Glass Industry Group Co. Ltd.
5. Gentex Corporation
Koch Industries Inc.
6. Nippon Sheet Glass Co. Ltd.
7. Schott AG
8. Xinyi Glass Holdings Limited
9. Murata Manufacturing Co. Ltd
10. American Precision Glass Corp.