1. Alclair Audio Inc.
2. Apple Inc.
3. Bose Corporation
4. Grado Labs
5. Harman International Industries
Incorporated
6. JVC Kenwood Corporation
7. Koninklijke Philips N.V. (Philips)
8. Logitech Inc. (Logitech International S.A.)
9. Panasonic Corporation
10. Plantronics Inc.
11. Pioneer Corporation