| Bose | bose.com | Bose Corporation (United States) |
| Bowers & Wilkins | bowerswilkins.com | B & W Group Ltd (United Kingdom) |
| Denon | denon.com | NIPPON COLUMBIA CO., LTD. (Japan) |
| Harman Kardon | not collected | Harman International Industries, Incorporated (United States) |
| JBL | jbl.com | Harman International Industries, Incorporated (United States) |
| KEF | us.kef.com | KEF Celestion Corporation (Cayman Islands) |
| Klipsch | klipsch.com | Klipsch Group, Inc. (United States) |
| Polk Audio | polkaudio.com | Polk Audio, Inc. (United States) |
| Samsung | samsung.com | Samsung Electronics Co., Ltd. (South Korea) |
| Sennheiser | sennheiser.com | SENNHEISER ELECTRONIC K.G. (Germany) |
| Sonos | sonos.com | Sonos, Inc. (United States) |
| Sony | not collected | Sony Corporation (Japan) |
| Teufel | us.teufelaudio.com | Lautsprecher Teufel GmbH (Germany) |
| Vizio | vizio.com | Vizio, Inc. (United States) |
Brand