| Arcadia | France | 33 |
| Arcadia Books | France | 5 |
| Arcana Sacra | France | 6 |
| Arcana Studio | Canada | 5 |
| Arcane 17 | France | 10 |
| Arcane 21 | France | 2 |
| Arcane Society | Etats-Unis | 3 |
| Arcanes | France | 2 |
| Archaia | Etats-Unis | 1 |
| Archambault | Canada | 9 |
| Archancourt | France | 8 |
| Archéologie en Limousin | France | 1 |
| Archeos numus | | 5 |
| Archie comics | | 32 |
| Archimède | France | 11 |
| Archipelago Books | Etats-Unis | 1 |
| Archipoche | France | 925 |
| Archiv' | France | 2 |
| Archives de Paris | | 1 |
| Archives et Culture | France | 24 |
| Archway | France | 7 |
| Arcol | France | 1 |
| Arctic | | 1 |
| Arctis | Etats-Unis | 3 |
| Arcturus | Angleterre | 69 |
| Ardemment éditions | France | 1 |
| Arden Shakespeare | France | 6 |
| Arena | Allemagne | 35 |
| areUthirsty | France | 1 |
| Arfon | France | 1 |
| Arfuyen | France | 26 |
| Argemmios | France | 16 |
| Argol | France | 8 |
| Argon | Allemagne | 12 |
| Argyll | France | 59 |
| Argyll Productions | Etats-Unis | 6 |
| Arhsens | France | 5 |
| Ariane | France | 54 |
| Ariel | Espagne | 3 |
| Arion | France | 6 |
| Ark | | 5 |
| Arkane | France | 1 |
| Arkhanes | France | 11 |
| Arkhe | France | 32 |
| Arkuiris | France | 15 |
| Arléa | France | 279 |
| Armada | France | 49 |
| Armand Colin | France | 696 |
| Armeline | | 4 |
| Armida Books | Chypre | 1 |
| Arnette | France | 1 |
| Arola | France | 4 |
| Arphivolis | France | 2 |
| ARQA | | 1 |
| Arriba Arriba Books | Etats-Unis | 1 |
| Arrissala | | 1 |
| Arrow Books | Angleterre | 347 |
| Arrow/Vintage | Angleterre | 9 |
| Ars Magna | France | 1 |
| Ars Mundi | France | 3 |
| arsEdition | Allemagne | 5 |
| Arsenal Pulp Press | Canada | 57 |
| Arsenic & Boule de gomme | France | 2 |
| Art & Poésie | France | 7 |
| Art en mots | France | 118 |
| Art et comédie | France | 4 |
| Art et histoire d'Europe | | 3 |
| Art ludique | | 3 |
| Art moderne | France | 1 |
| art&fiction | Suisse | 12 |
| Art-access | France | 1 |
| Artabras | | 2 |
| Artalys | France | 116 |
| Artaud Frères | France | 3 |
| Arte / du chêne | France | 4 |
| Arte Facto | France | 2 |
| Arteaz | France | 1 |
| Artège | France | 97 |
| Artémis | France | 81 |
| Artésis | France | 1 |
| Artfusion | Belgique | 2 |
| Arthaud | France | 304 |
| Arthaud / Flammarion | France | 15 |
| Arthemus | France | 5 |
| Arthur A. Levine Books | Etats-Unis | 32 |
| Arthur et cie | France | 2 |
| Artibella | France | 1 |
| Artima | France | 7 |
| Artis | France | 53 |
| Artisans Voyageurs | France | 2 |
| Artistfolio | France | 1 |
| Artists & Photographers Press Limited | | 2 |
| ArtLys | France | 15 |
| Artois Presses Université | France | 4 |
| ArtoriA | France | 5 |
| Arts & images | | 4 |
| Artus | France | 3 |
| Arum | | 5 |
| Arvensa | | 39 |
| AS3P | France | 1 |
