- AKART Co., Ltd.
- Astrodesign, Inc.
- Audio-Technica Corporation
- Azuma Co., Ltd.
- Bang & Olufsen A/S
- Cobalt Digital, Inc.
- DEI Sales, Inc.
- Fluendo S.A.
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung, e.V.
- Immersive Audio Technologies NV
- Lenbrook Industries Limited
- MainConcept GmbH
- Media Hyperium, Inc.
- New Audio Technology GmbH
- Panasonic Holdings Corporation
- Sakura Eiki Co., Ltd.
- Samsung Electronics Co., Ltd.
- Sonova Consumer Hearing GmbH
- Sony Group Corporation
- Spin Digital Video Technologies GmbH
- Steinberg Media Technologies GmbH
- TLS Corp.
