| △Nombre▼⊗ | ▲País▼≋ | ▲Provincia▼ | ▲#▼ |
|---|---|---|---|
| Skirmisher Publishing LLC | EE.UU. | Texas | 1 |
Skript Editora  | Brasil | Santa Catarina | 4 |
| SM Editorial | España | Madrid | 1 |
| Socomer Editions | Francia | París | 1 |
| Editorial SoldeSol | España | Almería | 1 |
| Soleil Productions | Francia | Toulon | 2 |
| Ediciones Sombra | España | Madrid | 2 |
| Sons of Singularity | EE.UU. | desconocida | 2 |
| Spectre Press | Gran Bretaña | Cardiff | 3 |
| Sphinx Spieleverlag | Alemania | Dossenheim | 3 |
| Sportula | España | Asturias | 2 |
| Squamous Studios | EE.UU. | ¿? | 1 |
| Steve Jackson Games | EE.UU. | Austin, Texas | 7 |
| Street & Smith Publications, Inc. | EE.UU. | Nueva York | 4 |
| Stuart David Schiff | EE.UU. | North Carolina | 1 |
| Stygian Fox | Gran Bretaña | Chester | 12 |
| Suma de Letras | España | Madrid | 2 |
| Super Genius Games | EE.UU. | Redmond, Washington | 5 |