| Aedam musicae | France | 2 |
| Aedis | France | 1 |
| AEJ Creative Works | Etats-Unis | 6 |
| Aelhonnia | France | 4 |
| Aencrages & co | France | 3 |
| Aeternam AS | | 7 |
| AETH | France | 19 |
| Aethalidès | France | 14 |
| Aethon Books | | 2 |
| Affirm press | Australie | 4 |
| Afitt | France | 6 |
| AFNOR | France | 6 |
| Afrique Orient | France | 3 |
| Aftershock comics | Etats-Unis | 102 |
| Agate Publishing | Etats-Unis | 1 |
| Ageektion | France | 1 |
| Agence de presse Novosti | Russie | 1 |
| Agence littéraire Trait d'Union | Canada | 1 |
| Agence parisienne de distribution | France | 1 |
| Agence pour l'Entreprise et l'Innovation | Belgique | 1 |
| Agence Sélène | France | 2 |
| Agenda publishing | Angleterre | 1 |
| AGM | France | 1 |
| Agnès Viénot | France | 13 |
| Agone | France | 126 |
| Agora Books | Angleterre | 2 |
| Agrakal | France | 1 |
| Aguilar | Espagne | 5 |
| Agullo | France | 97 |
| Ah! | France | 4 |
| Aher | | 1 |
| Ahoy Comics | Etats-Unis | 6 |
| AIEP | Italie | 1 |
| Ailes & Graines | France | 7 |
| Aiora | Grèce | 7 |
| Aircel | Canada | 1 |
| Airelles | France | 2 |
| Airvey | France | 27 |
| Aïtamatxi | France | 5 |
| Ajaé | France | 1 |
| Ajna De Scorto | France | 21 |
| AK | France | 14 |
| AK Press | Écosse | 11 |
| aka | France | 1 |
| Akadine Press | | 1 |
| AKANEKO | France | 3 |
| Akashic Books | Etats-Unis | 10 |
| Akata | France | 1205 |
| Akibooks | France | 3 |
| Akiko | France | 49 |
| Akileos | France | 332 |
| Akinomé | France | 26 |
| Akita Shoten | Japon | 62 |
| Akribeia | France | 4 |
| Akropolis | Rép. Tchèque | 1 |
| Akuma | | 5 |
| Al Bayyinah | France | 7 |
| Al dante | France | 7 |
| Al Imam | France | 5 |
| Al Liamm | France | 6 |
| Al Manar | France | 18 |
| Al Qalam | France | 1 |
| Al-Hadith | Belgique | 2 |
| Al-imen | Belgique | 1 |
| Aladdin | Etats-Unis | 161 |
| Alain Baltz | France | 2 |
| Alain Bargain | France | 135 |
| Alain Baudry | France | 1 |
| Alain Beaulet | France | 1 |
| Alain Lafrance | Canada | 1 |
| Alain Monfort | France | 2 |
| Alain Moreau | France | 5 |
| Alain Sèbe | France | 1 |
| Alan Rodgers Books | Etats-Unis | 2 |
| Alan Sutton / Sutton | France | 51 |
| Alan Sutton Publishing | Angleterre | 3 |
| Alba Capella | France | 4 |
| Alban | France | 3 |
| Albatros | Rép. Tchèque | 8 |
| Albazane | France | 3 |
| Albert Bonniers | Suède | 11 |
| Albert Fontemoing | France | 1 |
| Albert René | France | 86 |
| Albert Savine | France | 5 |
| Albert Whitman & Company | Etats-Unis | 9 |
| Alberto Blecua Y Andrés Pozo | Espagne | 1 |
| Albiana | France | 21 |
| ALBIDAR | France | 1 |
| Albin Michel | France | 7972 |
| Albin Michel / Canal+ | France | 21 |
| Albin Michel / Gulf stream | France | 2 |
| Albouraq | France | 30 |
| Albrecht Knaus | Allemagne | 5 |
| Alcide | France | 25 |
| Alcove Press | Etats-Unis | 8 |
| Aldeasa | Espagne | 1 |
| Aldeia | France | 2 |
| Aleph | France | 7 |
| Aleph Book | Inde | 7 |
| Alerte | France | 1 |
