1. AGC Group
2. Asia Optical Co. Inc.
3. Calin Technology Co.Ltd.
4. Canon Inc.
5. Edmund Optics India Private Limited
6. FUJIFILM Corporation
7. Grafton Optical Company Ltd
8. HOYA Vision Care Europe Hoya Holdings
9. Kenko Tokina Co. Ltd.
10. Kowa American Corporation
11. LaCroix Precision Optics
12. Largan Precision Co.Ltd.
13. Nikon Corporation
14. OPCO Laboratory Inc.
15. Optimax Systems Inc.
16. Panasonic Corporation
17. RICOH Imaging Compant
Ltd.
18. Rokinon
19. SCHNEIDER GmbH & Co. KG
20. SCHOTT AG
21. SEIKO OPTICAL PRODUCTS CO. LTD.
22. SIGMA Corporation
23. Sony Corporation
24. Sunex Inc.
25. Tamron Co. Ltd.
26. Thorlabs Inc.
27. Tokai Optical Co.Ltd.
28. ZEISS Group
29. Zhejiang Lante Optics Co. Ltd