&
A
- Ableton
- Acousta Grip
- Adam Hall
- Adams
- Advance Tapes
- Airturn
- Akai
- AKG
- Alesis
- Alice
- Allen&Heath
- Almeria
- Alpenklang
- Alpha Audio
- Alpine
- Alto
- Alustage
- Alutruss
- Amati
- Ampeg
- Antari
- Antelope Audio
- Apogee
- Applause
- Armstrong
- Arrow
- Artbeat
- Artino
- Arturia
- Arundos
- Athletic
- Aubert
- Audac
- Audeze
- Audient
- Audio-Technica
- AudioInnovate
- Audiolab
- AudioPressBox
- Augustine
- Auralex
- Aurora
- Avalon Design
- AVID
Q
S
- Samsung
- Sattler
- Savarez
- Saveking
- Saxmute
- Schaller
- Schertler
- Schurter
- Screenint
- SE Audiotechnik
- sE Electronics
- Selmer
- Sennheiser
- Serato
- Shure
- SIGU
- SIT Strings
- SlapKlatz
- Slide-O-Mix
- Sonifex
- Sonitus
- Sonor
- Sontronics
- Sound Devices
- Soundbrenner
- Soundcraft
- SoundCreation
- Spectrasonics
- SPL
- Stagg
- Stairville
- Steinberg
- Stradivari Arato
- Studio-M
- Studiomaster
- Suzuki
- Switchcraft
- Sylvania
- Symph Electronics
