Companies
- Shedworks
- Shift
- Shift Up Corporation
- Shining Rock Software
- Shiny Entertainment
- Shiro Games
- Shiro Unlimited
- Shueisha Games
- SI Games
- SIE Japan Studio
- SIE Santa Monica Studio
- Sierra Entertainment
- Silicon Knights
- Simogo
- Skybound
- Skydance New Media
- Skyhook Games
- Slavic Magic
- Sledgehammer Games
- Sleepy Giant Entertainment
- Slightly Mad Studios
- Slipgate Ironworks
- Slitherine Software UK
- Sloclap
- small impact games