| WPG Uitgevers BE | France | 3 |
| Wraithmarked Creative, LLC | Etats-Unis | 11 |
| Wren & Rook | Angleterre | 8 |
| Write bloody | Etats-Unis | 3 |
| Writer's Digest Books | | 8 |
| WSFA Press | Etats-Unis | 2 |
| WSOY | Finlande | 2 |
| Wunderraum | Allemagne | 1 |
| Wycliffe & Ligue pour la Lecture de la Bible | France | 1 |
| Wydawnictwo MAG | Pologne | 6 |
| Wyrm | Etats-Unis | 3 |
| Wytherngate Press | Etats-Unis | 4 |
| X-Arrow | France | 7 |
| Xarpa Books | Espagne | 1 |
| Xavier Barral | France | 11 |
| Xéléniel | France | 1 |
| Xenia | France | 19 |
| Xérographes | France | 1 |
| Xiao Pan | France | 48 |
| XO | France | 720 |
| XO / 12 bis | France | 4 |
| XO / Nathan | France | 2 |
| Xordica | France | 1 |
| Xxi | France | 3 |
| XYZ | Canada | 125 |
| Y Lolfa | Pays de Galles | 4 |
| Yago | France | 8 |
| YakaBooks | France | 16 |
| Yale University Press | Etats-Unis | 51 |
| Yan Lei Press | Angleterre | 2 |
| Yaoi Generation | Etats-Unis | 5 |
| Yapi Kredi Yayinlari | Turquie | 11 |
| YB | France | 3 |
| YBY | France | 58 |
| Yé-kri | Tunisie | 1 |
| Yearling | Angleterre | 61 |
| Yediot sfarim | Israël | 1 |
| Yellow Concept | France | 5 |
| Yellow Jersey Press | Angleterre | 3 |
| Yellow Kite | Angleterre | 7 |
| Yellow Now | Belgique | 5 |
| Yen Press | Etats-Unis | 340 |
| Yéti Entertainment | France | 1 |
| YHP | France | 1 |
| YIL | France | 17 |
| Ylva Publishing | Allemagne | 13 |
| Ymerys | France | 9 |
| Ynnis | France | 152 |
| Yo! | France | 11 |
| Yoaké | France | 1 |
| Yodéa | France | 6 |
| Yomad | France | 4 |
| Yoran Embanner | France | 36 |
| You Feng | France | 27 |
| Young & Awesome | Pays-Bas | 1 |
| Young com | Corée du Sud | 14 |
| Young Ink Press | Angleterre | 5 |
| Young Picador | Angleterre | 23 |
| Youth in Decline | Etats-Unis | 1 |
| Yovana | France | 14 |
| Ypsilon | France | 34 |
| Ypypyp | France | 1 |
| Yris | France | 5 |
| YSEC | France | 12 |
| Yseult | France | 3 |
| Yucca | France | 23 |
| Yume | France | 5 |
| Yuno Kusen | France | 1 |
| Yurang Éditions | France | 1 |
| Yvelinédition | France | 17 |
| Yvert & Tellier | France | 17 |
| Yves Michel | France | 17 |
| Yves Salmon | France | 3 |
| Z'ailées | France | 25 |
| Z'éditions | France | 13 |
| Z'est | France | 4 |
| Z2 Comics | Etats-Unis | 5 |
| Z4 | | 8 |
| Zadié | Côte d\'Ivoire | 1 |
| Zadig | France | 1 |
| Zaffre Publishing | Angleterre | 57 |
| Zafiro | Espagne | 2 |
| Zando | Etats-Unis | 14 |
| Zanpano | France | 1 |
| Zebook | France | 3 |
| Zebra | France | 38 |
| Zébulo | France | 8 |
| Zed books | Angleterre | 13 |
| Zeitgeist | Etats-Unis | 1 |
| Zélium | France | 1 |
| Zellige | France | 11 |
| Zenda | France | 48 |
| Zenescope Entertainment | Etats-Unis | 17 |
| Zenith | | 2 |
| Zéphyr BD | France | 34 |
| Zer0 Books | Angleterre | 1 |
| Zeraq | France | 4 |
| Zest Book | Etats-Unis | 2 |
| ZETA | Espagne | 10 |
| ZéTooLu | France | 3 |
