Companies
- Shiro Games
- SI Games
- SIE Santa Monica Studio
- Sierra Entertainment
- SimBin
- SimFabric
- Simogo
- Sky Mavies
- Skybound
- Skydance Interactive
- Skydance New Media
- SkyShowtime
- Slavic Magic
- Sledgehammer Games
- Sleepy Giant Entertainment
- Slightly Mad Studios
- Slipgate Ironworks
- Slitherine Software UK
- Sloclap
- Smilegate
- Snail
- SNK
- Sold Out
- Soleil Ltd.
- Something Wicked Games