- Polk Audio(DEI Holdings Inc)
- Samsung Electronics
- Bose Corporation
- LG Electronics Inc
- Onkyo Corporation
- Sony Corporation
- Best Buy Co. Inc.
- Voxx International
- Koninklijke Philips
- Panasonic Corporation
- Sennheiser electronic GmbH & Co. KG
- Boston Acoustics ( Denon)
- Hisense Co. Ltd.
- Xiaomi Corporation
- Sonos Inc
- Edifier
- VIZIO Inc
- Blaupunkt GmbH? (?Aurelius Group)