Aarts Ronaldus Maria
Achten Tobias
Adachi Kazuki
AKG Acoustics, Inc.
AKG Akustische u.Kino-Gerate GmbH
Albers Mark D.
Andrews John A.
Aoki Mariko
Asakawa Shinji
Attias Hagai
Audio Teknology Incorporated
Auditory System Technologies, Inc.
AURA Systems Inc.