| ▲Nombre▼⊗ | ▲País▼≋ | ▲Provincia▼ | △#▼ |
|---|---|---|---|
| Saber y Comunicación, S.L. | España | Madrid | 1 |
| Salamandra | España | Madrid | 1 |
| Scifiworld | España | Pontevedra | 1 |
| Scream/Press | EE.UU. | California | 1 |
| SD Games | España | Barcelona | 1 |
Editorial Seix Barral  | España | Barcelona | 1 |
| Selket Images | EE.UU. | Arlington, TX | 1 |
| Edicions Sense Amo | España | Castellón | 1 |
| Seven Seas Entertainment | EE.UU. | Los Angeles, California | 1 |
| Shepherd & Wollheim | EE.UU. | Oakman, Alabama | 1 |
| Shroud | EE.UU. | North Hollywood, CA. | 1 |
| Signal Fire Studios | EE.UU. | Marietta, Georgia. | 1 |
| Equipo Sirius | España | Madrid | 1 |
| Sixpence Games | EE.UU. | ¿? | 1 |
| Skirmisher Publishing LLC | EE.UU. | Texas | 1 |
| SM Editorial | España | Madrid | 1 |
| Socomer Editions | Francia | París | 1 |
| Editorial SoldeSol | España | Almería | 1 |
| Squamous Studios | EE.UU. | ¿? | 1 |
| Stuart David Schiff | EE.UU. | North Carolina | 1 |
| Sins Entido | España | Madrid | 2 |
| Sixtystone Press | Gran Bretaña | Sin acreditar | 2 |
| Soleil Productions | Francia | Toulon | 2 |
| Ediciones Sombra | España | Madrid | 2 |
| Sons of Singularity | EE.UU. | desconocida | 2 |