| Bouquin-coquin | Canada | 7 |
| Bouquins | France | 74 |
| Bourin | France | 10 |
| Bourrelier | | 5 |
| Bouton d'or Acadie | Canada | 6 |
| Bow's Bookshelf | | 1 |
| Bow-window | | 1 |
| Bowker | | 13 |
| Box of Crayons Press | Canada | 1 |
| Boz'dodor | France | 53 |
| Bozon2X | Belgique | 5 |
| BPI | France | 4 |
| BPM | France | 4 |
| Bradson Press | France | 2 |
| BradyGames | | 1 |
| Bragelonne | France | 3726 |
| Bragelonne / Dreampress | | 1 |
| Bramagioia Enterprises | | 10 |
| Bramble Books | | 27 |
| Brandon | France | 3 |
| Braquage | France | 5 |
| Brave Knight Media | | 5 |
| Bravo | France | 4 |
| Bréa | | 1 |
| Bréal | France | 65 |
| Breezy Tree Press | Pays de Galles | 1 |
| Brendow | Allemagne | 2 |
| Brepols | France | 22 |
| Breslich & Foss | Angleterre | 1 |
| Brick Books | Canada | 1 |
| Bries | | 5 |
| Brilliance Audio | | 36 |
| Brilliance publishing | Etats-Unis | 3 |
| Brins d'or | | 2 |
| British Library Publishing | Angleterre | 1 |
| Broad Reach | France | 2 |
| Broadman & Holman | France | 4 |
| Broadmoor Books | | 7 |
| Broadview | Canada | 12 |
| Broadway Books | Etats-Unis | 65 |
| Brocéliande | France | 1 |
| Broken Eye Books | Etats-Unis | 1 |
| Broken String Books | Etats-Unis | 1 |
| Brook | France | 1 |
| Broquet | France | 26 |
| Brouette | France | 1 |
| Brown Street Books | Etats-Unis | 4 |
| Bruit blanc | France | 3 |
| Brume | | 3 |
| Brumerge | France | 21 |
| Brumes de mars | France | 8 |
| Brunnen | Allemagne | 2 |
| Bruno Doucey | France | 155 |
| Bruno Gmünder | Allemagne | 5 |
| Bruno Graff | | 11 |
| Bruno Leprince | France | 2 |
| Bruylant | France | 4 |
| BS | | 21 |
| BSAC | France | 1 |
| BSN Press | Suisse | 103 |
| Btb | Allemagne | 27 |
| Bubble | France | 10 |
| Bubble Comics | Russie | 2 |
| Buccaneer Press | Etats-Unis | 1 |
| Büchergilde | | 1 |
| Buchet / Chastel | France | 622 |
| Budo | France | 21 |
| Budostore | France | 5 |
| Bueb & Reumaux | | 1 |
| Buissonnières | France | 5 |
| Bull City Press | Etats-Unis | 0 |
| Bulldog Press | | 1 |
| Bulleberry | | 4 |
| Bulles de savon | France | 41 |
| Bulletin | France | 2 |
| BumbleB Media | France | 3 |
| Bur | Italie | 9 |
| Burn Août | France | 2 |
| Burn-Aout | France | 3 |
| Burning Desires | Etats-Unis | 26 |
| Burning Eye Books | | 6 |
| Burozoïque | France | 1 |
| Bussière | France | 56 |
| Buster Books | France | 4 |
| Butterfly | France | 409 |
| Butterworth Books | Angleterre | 1 |
| Butterworth-Heinemann | Angleterre | 2 |
| Button Books | Angleterre | 3 |
| Button Poetry | | 11 |
| Buybook | Bosnie-Herzégovine | 2 |
| Buzzy Multimedia | | 4 |
| BVR | France | 3 |
| BYNJ | | 7 |
| C N Dränle | France | 8 |
| C&F | | 29 |
| C&R crime | | 10 |
| C. Dalou | | 1 |
| C. H. Beck | Allemagne | 18 |
| C.A.J. van Dishoeck | France | 1 |
| C.A.L., Culture, art, loisirs | France | 4 |
