| Groups (developers) | Abbr. | Country | City | Rating | |
|---|---|---|---|---|---|
| Seppel-Soft | 0.00 ±0.0 | ||||
| SERMAP | 0.00 ±0.0 | ||||
| Shadow Lawn Press | 0.00 ±0.0 | ||||
| Shadow Productions | United States | 0.00 ±0.0 | |||
| Shadows | Poland | Sosnowiec | 0.00 ±0.0 | ||
| Sharks Team | Poland | 0.00 ±0.0 | |||
| Shepherd Software | 0.00 ±0.0 | ||||
| Shockwave Software | 0.00 ±0.0 | ||||
| Shoesoft | 0.00 ±0.0 | ||||
| Shpoon | Poland | Bialystok (Białystok) | 0.00 ±0.0 | ||
| SIA Software | 0.00 ±0.0 | ||||
| Sigma | Turkey | 0.00 ±0.0 | |||
| Sigma Micro Systems | 0.00 ±0.0 | ||||
| Signus Soft | 0.00 ±0.0 | ||||
| Silence Project | 0.00 ±0.0 | ||||
| SilentSoft | 0.00 ±0.0 | ||||
| Silicon | France | 0.00 ±0.0 | |||
| Silver Creek Observatory | 0.00 ±0.0 | ||||
| Silver Software | Poland | Czanstochova (Częstochowa) | 0.00 ±0.0 | ||
| SimpleSoft | 0.00 ±0.0 |
