Publishers – A
Publishers: A & C Black - Amber Books
- A & C Black
- A & R Marketing Limited
- A A Balkema Publishers
- A Cappella Books
- A-R Editions
- Aarhus University Press
- Abacus
- Abbeville Press
- ABC Books
- ABC-CLIO
- Abingdon Press
- Aboriginal Studies Press
- Abrams Appleseed
- Abrams Press
- ABRSM Publishing
- Absolute Press
- Abstract Sounds Books
- Academia
- Academic Press
- Academic Studies Press
- Academica Press
- Acair
- ACC Art Books
- Accelerated Development
- Accent Press
- Acoustic Music
- ACS Publications
- Actes Sud
- Acumen Publishing
- Ad Lib Publishers
- Adams Media Corporation
- Addax Publishing Group, U.S.
- Adeo Verlag
- ADG Productions
- AdiDev Press
- Adlung-Spiele
- Advance Music
- Advanced Publishing
- Aebersold Publications
- Africa Research & Publications
- AfterClub
- Agate Publishing
- Agenda Publishing
- Aiora Press
- Aisthesis Verlag
- AK Press
- Akademische Druck- und Verlagsanstalt
- Akashic Books, U.S.
- Akkordeonkinderverlag
- Aktive Musik Verlags
- Alaska Native Language Center
- Alaska Northwest Books
- Albatros
- Albatros Media
- AldineTransaction
- Aleph Book Company
- Alex Lofoco
- Alexander Verlag Berlin
- Alfred A. Knopf
- Alfred Kröner Verlag
- Alfred Lengnick
- Alfred Publishing
- Algonquin Books
- Alison Green Books
- Allen & Unwin
- Allen Lane
- Allitera Verlag
- Alma Books
- Almighty & Insane Books
- Alpha Books
- Alphabet Legends
- Alphonse Leduc
- AltaMira Press, U.S.
- AMA Verlag
- Amadeus Music
- Amadeus Press
- Amalion Publishing
- Amaurea Press
- Amazon Publishing
- Amber Books
Publishers: Amberley Publishing - Atheneum Books for Young Readers
- Amberley Publishing
- Ambra Verlag
- American Bar Association
- American Institute of Musicology
- American Library Association
- American Mathematical Society
- American Psychological Association
- American University in Cairo Press
- Amherst Publishing
- Amistad Press
- Ammonite Press
- Amphion
- AMPS 001
- Amsco Publications
- Amsterdam University Press
- Analytic Press
- Anchor Books
- Ancora Verlag
- And Other Stories
- Andersen Press
- Andreas Reiffer
- Andrew Byrne Studio
- Andrews McMeel Publishing
- Anness Publishing
- Annick Press
- Anomie Publishing
- Anova Books
- Ant and Feather
- Antenne Books
- Antenne Publishing
- Anthem Press
- Anthology Editions
- Anthroposophic Press
- Antique Collectors' Club
- Antje Kunstmann
- Anvil Press
- Aperture Press
- Apex Publishing
- Apollo Publishers
- Apollo Verlag
- Applause Books
- Apple Academic Press
- Apples and Honey Press
- APress
- ARC Books & Publishing
- Arc Humanities Press
- Arcade Publishing
- Arcadia Books
- Archaeopress Archaeology
- Archive Books
- Arcturus Publishing
- Arden Shakespeare, The
- Ardsley House Publishers Inc., U.S.
- Are Verlag
- Arkbound
- Armadillo
- Armelin Musica
- Armin Lear Press
- Arnoldsche
- Arrow Books
- Arsenal Pulp Press
- Art Issues Press
- Artemis Editions
- Artisan
- ArtistPro
- Artists Bookworks
- Artivo Music Publishing
- Ashgate Publishing
- Ashmolean Museum
- Asian Art Museum of San Francisco
- Aspekt
- Associacao Avalanche
- Associated University Presses
- Asta Publications
- Astoria Verlag
- Astra House
- Astral Horizon Press
- At Last Books
- Ateneo de Manila University Press
- Atheneum Books for Young Readers
Publishers: Athesia Tappeiner Verlag - Awai Books
- Athesia Tappeiner Verlag
- Atlantic Books
- Atlantis Musikbuch-Verlag AG
- Atlas Press
- Atria Books
- AU Press
- Auckland University Press
- Auerbach Publishers
- Aufbau Verlag
- Augsburg Fortress
- Aulos Verlag
- Aureus Publishing
- Aurora Metro Publications
- Aurum Press
- Austin Macauley Publishers
- Authorhouse
- Autonomedia
- Autumn Publishing
- Auwa
- Auzou Publishing
- AV Akademikerverlag
- Avalon Publishing Group
- Avalon Travel Publishing
- Avid Reader Press
- AVON
- Avon Books
- Awai Books
