Companies
- SEGA
- SEGA Europe
- SEGA Sammy Holdings
- Shiro Games
- SIE Santa Monica Studio
- SimBin
- Sky Italia
- Sky Mavies
- Skydance Interactive
- Skydance New Media
- Sledgehammer Games
- Slightly Mad Studios
- Slitherine Software UK
- Sloclap
- Smilegate
- SNK
- Soleil Noir
- Sonic Team
- Sony
- Sony Bend
- Sony Computer Entertainment
- Sony Computer Entertainment America
- Sony Computer Entertainment Europe
- Sony Interactive Entertainment
- Sony London Studio