| Saltimbanque | | 155 |
| SaltRiver | France | 1 |
| Salvator | France | 112 |
| Salvioni | Suisse | 2 |
| Salvy | France | 6 |
| Samaki | France | 1 |
| Samarkand | France | 9 |
| Samhain Publishing | Angleterre | 31 |
| Samir | Liban | 16 |
| Samizdat | Suisse | 1 |
| Samji | France | 106 |
| Samoa | France | 1 |
| Samsa | | 11 |
| Samuel French | France | 11 |
| Samuquè | France | 2 |
| Samyang | | 11 |
| Sana | | 2 |
| Sanard et Derangeon | | 1 |
| Sand | France | 15 |
| Sand et T'chou | France | 2 |
| Sand/Primeur | France | 1 |
| Sandawe | France | 58 |
| Sandorf Passage | Etats-Unis | 2 |
| Sandrot | France | 2 |
| Sands & Company | France | 1 |
| Sandstone press | Angleterre | 9 |
| Sang de la terre | France | 22 |
| Sans escale | France | 5 |
| Sans Soleil | Suisse | 3 |
| Sans-Détour | France | 2 |
| Sanssouci | Allemagne | 1 |
| Sant Jordi Asociados | Espagne | 4 |
| Santana | Belgique | 1 |
| Santillana | France | 8 |
| Sanwa Shuppan/Sanwa Comics | Japon | 2 |
| Saphir Bridge Publishing | Angleterre | 3 |
| Saphira | France | 191 |
| Sapphfic Publishing | Angleterre | 7 |
| Sapphire Books Publishing | | 2 |
| Saqi Books | | 12 |
| Sarabande Books | | 6 |
| Sarah Arcane | | 14 |
| Sarah Crichton Books | France | 4 |
| Sarbacane | France | 1144 |
| Sarian Royal | Etats-Unis | 21 |
| Sarrazine | France | 7 |
| Sasquatch Books | | 12 |
| Sassi junior | | 51 |
| Satas | | 3 |
| Satellite | | 6 |
| Sator | France | 1 |
| Sauramps médical | | 2 |
| Sauvages | Suisse | 4 |
| Sav-Heol | France | 1 |
| Savanes | | 2 |
| Saxo | France | 32 |
| Say-zan-sha Publications | Japon | 2 |
| Scala | | 34 |
| Scala | Angleterre | 3 |
| Scali | France | 17 |
| Scarabéa | France | 8 |
| Scènes de crimes | France | 18 |
| Sceptre | Angleterre | 81 |
| Sceren | France | 12 |
| Schaltzeit Verlag | Allemagne | 4 |
| Scherz | | 4 |
| Schiller & Wells | Etats-Unis | 1 |
| Schirmer/Mosel | Allemagne | 3 |
| Schleich | France | 1 |
| Scholastic | | 1458 |
| Schöningh | Allemagne | 3 |
| Schortgen | | 1 |
| Schroedel | | 4 |
| Schruf & Stipetic | Allemagne | 1 |
| Schwager & Steinlein | Allemagne | 3 |
| Schwartz & Wade Books | | 3 |
| Schwarzkopf & Schwarzkopf | | 2 |
| Sci-FiMania | | 6 |
| Science & Vie | France | 1 |
| science et bien commun | | 2 |
| Science Marxiste | France | 1 |
| Sciences et Culture | France | 12 |
| Sciences humaines | France | 47 |
| Scolavox | | 2 |
| Scotland Street Press | Écosse | 4 |
| Scottish Cultural Press | Écosse | 2 |
| Scout Comics | Etats-Unis | 4 |
| Scribd Originals | | 5 |
| Scribe | Australie | 30 |
| Scribner | Angleterre | 206 |
| Scribo Ergo Sum | | 1 |
| Scrineo | France | 554 |
| Scripta | France | 7 |
| Scrybe Press | France | 2 |
| Scutella | France | 14 |
| Scylla | France | 6 |
| SDL | France | 3 |
| SE.P.E. | France | 1 |
| Sea Lion Books | France | 1 |
| SEAD Storytelling | Etats-Unis | 1 |
