Companies
- Sony Pictures
- Sony Pictures Television
- Sony Pictures Television Studios
- Sony PlayStation
- Sony Santa Monica
- Sony Worldwide Studios
- South Park Digital Studios
- Southend Interactive
- SouthPeak
- SouthPeak Games
- souvenir circ.
- Spark Plug Games
- Spark Unlimited
- Spawn Labs
- Spearhead Games
- SpecialEffect
- Spicy Horse
- Spiders
- Spiderweb Software
- Spike Chunsoft
- Spike Co., Ltd.
- Spiral Game Studios
- Spiral House
- Splash Damage
- Sports Interactive
- Spotify
- Springfox Games
- Spry Fox
- Squanch Games
- Square Enix
- Square Enix Collective
- Square Enix Europe
- Square Enix London Mobile
- Square Enix Montréal
- Squaresoft
- Stainless Games
- Stairway Games
- Standing Stone Games
- Star Vault
- Starbreeze Studios
- Stardock
- Stardock Corporation
- Starry Studio
- Starward Industries
- State of Play
- Steamforged Games
- Steel Wool Studios
- SteelSeries
- Steve Jackson Games
- Stoic