Companies
- Slavic Magic
- Sledgehammer Games
- Sleepy Giant Entertainment
- Slightly Mad Studios
- Slipgate Ironworks
- Slitherine Software UK
- Sloclap
- SMAC Games
- small impact games
- Smilegate
- Smilegate Entertainment
- Smoking Gun Interactive
- Snail Games
- Snail Games USA
- Snappy Touch
- Snapshot Games
- SNEG
- SNK
- Snowblind Studios
- Snowman
- Sold Out
- Soleil Noir
- Something Wicked Games
- Sonic Team
- Sony
- Sony Bend
- Sony Computer Entertainment
- Sony Computer Entertainment America
- Sony Computer Entertainment Asia
- Sony Computer Entertainment Europe
- Sony Ericsson
- Sony Interactive Entertainment
- Sony London Studio
- Sony Network Entertainment
- Sony Online Entertainment
- 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