1. Audeze LLC
2. B&C Speakers s.p.a.
3. Bellsing technology co. LTD.
4. Bose Corporation
5. EASTECH HOLDING LIMITED
6. Fortune Grand Technology Inc.
7. Fostex International
8. Knowles Electronics
LLC
9. Molex LLC
10. Samsung Electronics Co. Ltd.
11. Sony Corporation
12. TB SPEAKER CO. LTD.
13. Texas Instruments Incorporated
14. Tymphany HK Limited
15. Voz Electronic Co. Ltd