1. Bose Corporation
2. Dolby Laboratories Inc.
3. GoerTek Inc.
4. GP Acoustics International Limited
5. Harman International Industries
Incorporated by Samsung Electronics Co. Ltd.
6. Koninklijke Philips N.V.
7. MartinLogan
Ltd.
8. Paradigm Electronics Inc.
9. Pioneer Corporation
10. Samsung Electronics Co. Ltd.
11. Sennheiser electronic GmbH & Co. KG by Sonova Holding AG
12. Sony Corporation
13. Sound United
LLC by DEI Holdings Inc.
14. VOXX International Corporation
15. Yamaha Corporation