1. Abbott Laboratories
2. Aurolab
3. Bausch Health Companies Inc.
4. Carl Zeiss AG
5. Coburn Technologies Inc.
6. Essilor Instruments USA
7. FCI Ophthalmics
8. HAAG-STREIT GROUP
9. HEINE USA LTD.
10. HOSPEQ Inc.
11. HOYA Corporation
12. IRIDEX Corporation
13. Johnson & Johnson Service Inc.
14. Luneau Technology Group
15. Matronix Optotechnik Private Limited.
16. Merck & Co. Inc.
17. Novartis AG
18. Ophthalmic Instrument Co. Inc.
19. STAAR Surgical Company
20. Synemed
21. Takagi Ophthalmic Instruments Europe LTD.
22. Tech US Corp
23. Tomey Corporation
24. Topcon Corporation
25. Ziemer Ophthalmic Systems AG