| Steinbach sprechende Bücher | Allemagne | 1 |
| Steinkis | France | 208 |
| Stelios Kontaratos | Grèce | 1 |
| Stellamaris | France | 26 |
| Stelliform Press | | 1 |
| Stenhouse | | 3 |
| Stéphane Batigne | | 6 |
| Stéphane Marsan | | 36 |
| Stéphane Million | France | 17 |
| Sterenn | France | 6 |
| Sterling | France | 40 |
| Sterling Juvenile | France | 6 |
| Sternberg Press | Angleterre | 3 |
| Stewart, Tabori and Chang | Etats-Unis | 2 |
| STFM | France | 1 |
| Stock | France | 1718 |
| Stock / Fayard | France | 4 |
| Stoker Aces Production | | 105 |
| StoneHouse Ink | Etats-Unis | 4 |
| Stop Smiling Books | Etats-Unis | 1 |
| Storey | Etats-Unis | 3 |
| StoriaEbooks | | 7 |
| Stories untold | | 1 |
| Storm King Comics | Etats-Unis | 15 |
| Storm Publishing | | 1 |
| Storyador Press | | 1 |
| StoryLab | France | 38 |
| Storyville | France | 1 |
| Strange Chemistry | Angleterre | 18 |
| Strange Violin Editions | Etats-Unis | 1 |
| Street Noise Books | Etats-Unis | 1 |
| Strident Publishing Limited | | 3 |
| Stripes Publishing | Angleterre | 14 |
| Strom | Suisse | 1 |
| Stuart Ng Books | Canada | 1 |
| Stuart Reardon Publishing | | 3 |
| Studio 5 | | 26 |
| Studio 5 | | 10 |
| Studio Acryline | France | 8 |
| Studio Agate | | 9 |
| Studio André Teixier | Belgique | 1 |
| Studio Bulldog | France | 1 |
| Studio Deadcrows | France | 1 |
| Studio Press Books | Angleterre | 19 |
| Studiofact | France | 6 |
| Studios Hergé | Belgique | 4 |
| Studyrama | France | 59 |
| Stürtz | France | 1 |
| Sublime Manga | | 16 |
| Subterranean Press | Etats-Unis | 34 |
| Succès du livre | France | 256 |
| Sud | France | 2 |
| Sud Ouest | France | 60 |
| Sudamericana | Espagne | 9 |
| Sudarènes | | 158 |
| Sudarènes Éditions | France | 5 |
| SUDEL | France | 3 |
| Südwest | Allemagne | 2 |
| Suhrkamp | Allemagne | 64 |
| Sulliver | | 4 |
| Sully | | 19 |
| Sum le Hameau | France | 1 |
| Suma de letras | France | 22 |
| Summersdale Publishers | | 6 |
| Sun | | 1 |
| Sungrazer Publishing | Etats-Unis | 3 |
| SUNY Press | Etats-Unis | 3 |
| Super 8 | France | 62 |
| Super Loto | | 7 |
| Sur Le Fil | | 7 |
| Suzac | | 9 |
| Suzanne Hurter | Suisse | 2 |
| SVD Lemercier | | 14 |
| Sweet Cherry | | 11 |
| Swift Press | Angleterre | 4 |
| Swing | France | 2 |
| Swoon Reads | | 26 |
| Swoon Romance | Etats-Unis | 8 |
| Sword & Laser | | 1 |
| Sybex | France | 1 |
| Sycko | France | 2 |
| Sydney Laurent | | 91 |
| Syllabaire | France | 4 |
| Syllepse | France | 78 |
| Sylphe Rouge | | 2 |
| Sylvain Harvey | France | 14 |
| Sylvie Messinger | France | 3 |
| Symbiome | France | 1 |
| Symbiose | | 3 |
| Symétrie | France | 5 |
| Symptosis | France | 1 |
| Synapse | France | 4 |
| Synchronique | France | 43 |
| Syndicalistes | France | 1 |
| Syndicat National de l'édition | France | 7 |
| Synecdoche | France | 1 |
| Synops | France | 1 |
| Syracuse University Press | Etats-Unis | 5 |
| Syros | France | 724 |
| Syros-Nathan | | 19 |
