| Somnium | Developer | |
| Somnivore | Developer | |
| Somnova Studios | Developer | |
| Son Işık | Developer | |
| Sonalysts Combat Simulations | Developer | |
| Sonatai | Developer | |
| SonderGames | Developer | |
| Sonderbo | Developer | |
| Sondre Agledahl | Developer | |
| Sonemer | Developer | |
| SongGameDev | Developer | |
| SongSing | Developer | |
| Songbird Productions | DeveloperPublisher | |
| Songclash | Developer | |
| Sonic | Developer | |
| Sonic Foundry | Publisher | |
| Sonic Graffiti | Developer | |
| Sonic Powered | DeveloperPublisher | |
| Sonic Projects | Developer | |
| Sonic Sloth | Developer | |
| Sonic Team | Developer | |
| Sonic Team USA | Developer | |
| Sonic! Software Planning | Developer | |
| SonicApple | Developer | |
| Sonicboomcolt | Developer | |
| Sonja Knight | Developer | |
| Sonka | DeveloperPublisher | |
| Sonnet | DeveloperPublisher | |
| Sonnet Computer Entertainment | DeveloperPublisher | |
| Sonnori | DeveloperPublisher | |
| SonnyBonds | Developer | |
| Sonny_C | Developer | |
| Sonokong | Publisher | |
| Sonoma Multimedia | DeveloperPublisher | |
| SonorousGames | Developer | |
| Sonoshee | Developer | |
| Sons of Earth Games | Developer | |
| Sony | DeveloperPublisher | |
| Sony Computer Entertainment | DeveloperPublisher | |
| Sony Computer Entertainment America | Publisher | |
| Sony Computer Entertainment EU | Publisher | |
| Sony Computer Entertainment Europe | Publisher | |
| Sony Computer Entertainment EuropeEU | Publisher | |
| Sony Computer Entertainment Inc. | DeveloperPublisher | |
| Sony Computer Entertainment Japan | Developer | |
| Sony Computer EntertainmentEU | Publisher | |
| Sony Computer EntertainmentEU,JP | Publisher | |
| Sony Computer EntertainmentEU,KO,NA | Publisher | |
| Sony Computer EntertainmentEU,NA | Publisher | |
| Sony Computer EntertainmentJP | Publisher | |