Companies
- Slipgate Ironworks
- Slitherine Software UK
- Sloclap
- Smilegate
- Snail Games USA
- SNEG
- SNK
- Snowman
- Softmax
- Sold Out
- Something Wicked Games
- Somi
- Sonic Team
- Sonka
- Sony
- Sony Bend
- Sony Computer Entertainment
- Sony Computer Entertainment Asia
- Sony Computer Entertainment Europe
- Sony Interactive Entertainment
- Sony Online Entertainment
- Sony Pictures
- Sony Santa Monica
- Sony XDev
- Sos