| Software Resources International | Developer | |
| Software Sorcery | DeveloperPublisher | |
| Software Sorcery (Gordon Fong) | Developer | |
| Software Storm | DeveloperPublisher | |
| Software Studios | Developer | |
| Software Studios (Alan Steel, Ed Hickman, Ian Bird) | Developer | |
| Software Studios (Bob Pape, Mark A Jones, Robert L Hylands) | Developer | |
| Software Studios (Dan Michek, Troy Lyndon, Scott Orr, John Cutter, Harald Seeley, Doug Barnett, Russell Lieblich) | Developer | |
| Software Studios (Keith Burkhill, Paul Hiley) | Developer | |
| Software Studios (Simon Freeman, Ian Bird) | Developer | |
| Software Toolworks | DeveloperPublisher | |
| Software Toolworks, Inc. | DeveloperPublisher | |
| Software by H | Publisher | |
| Softwave | Developer | |
| Softweaver | Developer | |
| Softwin Associates (Gordon Letwin) | Developer | |
| Softworks | Publisher | |
| Softzone | Developer | |
| Soggy Monster | Developer | |
| Soggybread Software | DeveloperPublisher | |
| Sogiciel | Publisher | |
| Sogna | DeveloperPublisher | |
| Soho Productions | Developer | |
| Sohrab Ismail‑Beigi | Developer | |
| Sohun | Developer | |
| SojaProduction | Developer | |
| Soji Yamakawa et al. | Developer | |
| Sokpop Collective | Developer | |
| Sokuaisushi | Developer | |
| Sokuzah | Developer | |
| Sol | Developer | |
| Sol Corporation | Developer | |
| SolWorks | Developer | |
| Solan | Publisher | |
| Solar Sail Games | Developer | |
| Solar Software | Publisher | |
| SolarLune | Developer | |
| SolarioGame | Developer | |
| Solarix | Developer | |
| Sold Out | Publisher | |
| Sold Out Sales & Marketing | Publisher | |
| Sold Out Software | Publisher | |
| Soldak Entertainment | DeveloperPublisher | |
| Soldnes | Developer | |
| Soleau Software | DeveloperPublisher | |
| Soleil | Developer | |
| Soleil Levant | Developer | |
| Soleil Ltd. | Developer | |
| Soleil Software | DeveloperPublisher | |
| Solid Clouds | Developer | |
| Solid Image Ltd | Developer | |
| Solid Sphere | DeveloperPublisher | |
| SolidifyGames | Developer | |
| Soliloquy Douglas | Developer | |
| Solin Games | Developer | |
| Soliska | Developer | |
| Solitary creations | Developer | |
| SolitaryScribbles | Developer | |
| Soliton | DeveloperPublisher | |
| Soliton Software | Developer | |
| Solkitte | Developer | |
| Sollara Games | Developer | |
| Sollarium Studio | Developer | |
| Solo Byte Games | Developer | |
| SoloCodeNet | Developer | |
| SoloDevKingdom | Developer | |
| Soloma Games | Developer | |
| Solomon Fletcher | Developer | |
| SolonWise | Developer | |
| Solscape | Developer | |
| Solvarg | DeveloperPublisher | |
| Soma Games | DeveloperPublisher | |
| Soma Sim | Developer | |
| Somarin | Developer | |
| Somasim | Developer | |
| Somber Pixel | Developer | |
| Somberhead | Developer | |
| Sombr Studio | DeveloperPublisher | |
| Sombrero Guy | Developer | |
| Some Brothers Studio | Developer | |
| Some Donkus | Developer | |
| Some Pixel Guy | Developer | |
| SomeDudeDev | Developer | |
| SomeFarang | Developer | |
| SomeHumbleOnion | Developer | |
| SomeKindOfWisp | Developer | |
| SomePolishCoders | Developer | |
| Somepx | Developer | |
| SomethinBoutGames | Developer | |
| Something Classic Games | Developer | |
| Something Good Corporation | DeveloperPublisher | |
| Something Something Games | Developer | |
| Something#53 | Developer | |
| SomethingDerpy | Developer | |
| Sometimes You | DeveloperPublisher | |
| Somewhat Unsettling | Developer | |
| SomewhatBasicGames | Developer | |
| Somi | Developer | |
| Somin | Developer | |
| SominStudios | Developer | |
| 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 | |