Companies
- Shift
- Shift Up Corporation
- shiftBacktick
- Shiny Entertainment
- Shiny Shoe
- Shiro Games
- Shopto.net
- Shueisha Games
- SI Games
- SIE Japan Studio
- SIE Santa Monica Studio
- Sierra Entertainment
- Sierra Online
- Sigil Games Online
- Sihoo
- Silicon Knights
- Silicon Studio
- SilverBirch Studios
- Silverstring Media
- SimBin
- Simogo
- Sirvo
- SK Hynix
- Ska Studios
- Skybound