1. Apple Inc.
2. Blaupunkt GmbH
3. Bose Corporation
4. Creative Technologies
Ltd.
5. Edifier Technology Co. Ltd.
6. Google LLC by Alphabet Inc.
7. Harman International Industries Inc.
8. Hisense Group
9. JVCKenwood Corporation
10. Koninklijke Philips NV
11. LG Electronics Inc.
12. Logitech International SA
13. Masimo Corporation
14. Panasonic Corporation
15. Pioneer Corporation
16. Plantronics Inc.
17. Roku Inc.
18. Samsung Electronics Co. Ltd.
19. Sennheiser electronic GmbH & Co. KG
20. Sonos Inc.
21. Sony Corporation
22. Vizio Inc.
23. VOXX International Corporation
24. Yamaha Corporation