List of manufacturers starting with letter A

Ableton

ABM

Acama

Accentize

Access

Accu Stand

Accu-Cable

Ackermann Verlag

ACL

Aclam

Acme

Acome

Acon Digital

Acoustic Image

Acoustic Music Books

Active Full-Range PA Speakers

Acura Meister

Acus

Adam

ADAM Audio

Adam Hall

Adamas

Adams

ADDAC

Adelsklang

ADJ

Adler Heinrich

Adoro

Advance Music

AEA

AER

Aerodrums

African Percussion

Afroton

After Later Audio

agifty

Agner

Aguilar

Ahead

AIAIAI

AIR Music Technology

Airturn

Aizen

AJH Synth

AK Drums

AKAI Professional

AKG

Alan

Albrecht

Alesis

Alexander Pedals

Alexander Reeds

Alfons Neumann

Alfred Music Publishing

Alfred Stingl by Höfner

Alhambra

All Brass

Allen & Heath

Alliance

Allparts

Allpedal

Allton

Alpha Case

Alphonse Leduc

Alpine

Alps

Alto

Altus

AMA Verlag

Amalia Dur

Amalio Burguet

Amaran

Amati

Ambient

American Audio

Ampeg

Ampetronic

Amphenol

Ample Sound

AmpRX

Amptweaker

AMS

Analog Cases

Analogue Solutions

Andante

Andexinger

Andrea Varazzani

Andreas Martin Hofmeir

Angel Lopez

Anka Verlag

Annette Betz Verlag

Ansmann

ANT

Antares

Antari

Antelope

Antoine Courtois

aNueNue

Aodyo

Apart

Ape Labs

API Audio

Apogee

Applause

Apple

Applied Acoustics Systems

Appsys

Aputure

Aquarian

Aquila

AR Resonance

Aranjuez

Arnolds & Sons

Arobas Music

ARP

ARRI

ART

Art & Lutherie

Artec

Artecta

Artino

Artinoise

Artiphon

Artist Ahead Musikverlag

Artonus

Arturia

Arundos

Asian Sound

ASK

ASM

Asparion

Aston Microphones

ASTRA

Asturias

Asymmetric Mouthpiece

ATEC

Atelier Donat

Atlantic Music

Atomos

ATV

Audeze

Audient

Audified

Audio Pro

Audio Sprockets

Audio Workshop

Audio-Technica

AUDIOCASE

Audiofier

AudioInnovate

Audiomodern

Audionamix

audioström

Audiowerkzeug

Audix

August Seith Musikverlag

Augustine

Aulos

Auratone

Auris

Austin Custom Brass

Austrian Audio

AV Stumpfl

Avalon

Avantone

Avenger

Avid

Avolites

AW Reeds

AW Woodwinds

Axe Heaven

Axxent

Azumi

Äolis Klangspiele