1. Arphi Electronics Private Limited
2. Audina Hearing Instruments
3. Benson Hearing
4. Cochlear Limited
5. Demant A/S
6. Horentek S.r.l.
7. Med-El
8. Medtronic PLC
9. Microson SAU
10. Rion Co. Ltd.
11. SeboTek Hearing Systems
LLC
12. Sonova Holding AG
13. Starkey Laboratories Inc.
14. WS Audiology A/S
15. Zounds Hearing Inc.