| ▲Nombre▼⊗ | ▲País▼≋ | ▲Provincia▼ | ▲#▽ |
|---|---|---|---|
| Shadowlands | España | Barcelona | 69 |
Editions Sans-Détour  | Francia | Ródano-Alpes | 20 |
| Stygian Fox | Gran Bretaña | Chester | 12 |
| Saída de Emergência | Portugal | Estoril | 10 |
| SelfMadeHero | Gran Bretaña | Londres | 8 |
| Steve Jackson Games | EE.UU. | Austin, Texas | 7 |
| Super Genius Games | EE.UU. | Redmond, Washington | 5 |
| Street & Smith Publications, Inc. | EE.UU. | Nueva York | 4 |
| Skript Editora | Brasil | Santa Catarina | 4 |
| Ediciones Siruela | España | Madrid | 4 |
| Sentinel Hill Press | EE.UU. | Ohio (oʊˈhaɪ.oʊ) | 4 |
| Saco de Huesos | España | Valladolid | 4 |
| Sphinx Spieleverlag | Alemania | Dossenheim | 3 |
| Spectre Press | Gran Bretaña | Cardiff | 3 |
| Sergio Bonelli Editore | Italia | Milán | 3 |
| Editorial Sapere Aude | España | Asturias | 3 |
| Suma de Letras | España | Madrid | 2 |
| Sportula | España | Asturias | 2 |
| Sons of Singularity | EE.UU. | desconocida | 2 |
| Ediciones Sombra | España | Madrid | 2 |
| Soleil Productions | Francia | Toulon | 2 |
| Sixtystone Press | Gran Bretaña | Sin acreditar | 2 |
| Sins Entido | España | Madrid | 2 |
| Stuart David Schiff | EE.UU. | North Carolina | 1 |
| Squamous Studios | EE.UU. | ¿? | 1 |