1. Anritsu Corporation
2. APEX Technologies
3. Aragon Photonics Labs. S.L.U.
4. Endress+Hauser Group Services AG
5. EXFO Inc.
6. IAS Analytics
LLC
7. ID Photonics GmbH
8. II-VI Incorporated
9. Luna Innovations Incorporated
10. Optoplex Corporation
11. Quantifi Photonics Limited
12. Timbercon Inc.
13. VeEX Inc.
14. VIAVI Solutions Inc
15. Yokogawa Electric Corporation