Publishers – A
Publishers: A & C Black - aNueNue
- A & C Black
- A Piacere
- A-R Editions
- A-RAM Moscow
- A.G. Apitz
- Aaron Publications
- ABC Verlag Zürich
- Abile Music
- Abingdon Press
- ABRSM Archive
- ABRSM Publishing
- Academy Music Publications
- Acanthus Music
- Accent On Music
- Accent Press
- Accolade Musikverlag
- Accura Music
- Acoustic Music
- Acoustics Publishing
- Activist Music
- Acuff Rose
- Acuta Music
- Acutab Publications
- ADG Productions
- Adlais
- Adler Musikverlag
- Advance Music
- Aebersold Publications
- African Percussion
- Agape
- Agifty.At
- Agostini
- Aim
- Aiora Press
- Akkord Music Publishers
- Alan Simmons Music
- Alaw Music
- Albadoc
- Albert Brussee
- Aldo Druyf
- Alea Publishing
- Alessi Publications
- Alex Lofoco
- Alfonce Production
- Alfred Lengnick
- Alfred Publishing
- Alfredo Rolando Ortiz
- Alias Press
- Alkor Edition
- All Music Publishing & Distribution
- Allans Publishing
- Allegro Publishing
- Allemanda S.a.S. Edizioni Musicali
- Alliance Music Publications
- Alpensound
- Alpha Books
- Alpha Editions
- Alphonse Leduc
- Alry Publications
- Alsbach-Educa
- Altus
- AMA Verlag
- Amadeus Music
- Amadeus Press
- American Composers Forum
- American Stage Band Music Service
- Amos Publishing
- AMP Amsterdam
- Amphion
- Amsco Publications
- Amstel Music
- Andel Music
- Andrew Green
- Anglo Music
- Animando Music
- Annelies Rhebergen
- Annie Bank Edition
- Antico Edition
- Antoni
- aNueNue
Publishers: Apollo Verlag - Axe Heaven
- Apollo Verlag
- Applause Books
- Aquila Corde Armonic
- Arco Music Publishing
- Ardito
- Arie Loonstra
- Ariel Music
- Arion (Bosworth)
- Arjan Breukhoven
- Armando Editore
- Armelin Musica
- ARMP Music Publishing
- Arrangement Verlag
- Arranger's Publishing Company
- Arrangetto Muziekprodukties
- Arrensdorff Edition
- Arriba!
- Ars Nova
- Ars Viva
- Art of Sound Music
- Artaria Editions
- Artifex Music
- ArtistPro
- Artists Ahead Musikverlag
- Artists House
- Ascolta Music Publishing Houten
- Ashley Publications
- Assai Vivo
- Associated Music Publishers
- Association of English Singers & Speakers
- Astoria Verlag
- Astute Music
- Atie Tuynman
- Atlantic Books
- Atlantic Music
- ATV Music
- Audible Music
- August Seith
- Aurea Capra Editions
- AuRen Musikverlag
- Aureole Editions
- Autopress Education
- Auurk Ed.
- AVID Technology
- Awkward Fermata Press
- Axe Heaven
