| Snowball | Publisher | |
| Snowball.ru | Publisher | |
| Snowblind Studios | Developer | |
| Snowcastle Games | DeveloperPublisher | |
| Snowdrama | Developer | |
| Snowfall | Developer | |
| Snowflake Studios | Developer | |
| Snowflakes@gmx.at | Developer | |
| Snowforged | Developer | |
| Snowhaven Studios | Developer | |
| Snowhound Games | Developer | |
| Snowhydra Games | DeveloperPublisher | |
| Snowleaps | Developer | |
| Snowly Games | Developer | |
| Snowman | Publisher | |
| Snowrunner | DeveloperPublisher | |
| Snowrunner Productions | Publisher | |
| SnowyCocoon | Developer | |
| SnowyOwl | Developer | |
| SnowySierra | Developer | |
| Snowybit Software | Developer | |
| Snozbot | Developer | |
| Snuti | Developer | |
| Snylle | Developer | |
| Snöstorm Studio | Developer | |
| So Good Games | Developer | |
| So Romantic | Developer | |
| SoBad | Developer | |
| SoGoplay | Developer | |
| SoHoGames | Developer | |
| SoMa Play | Developer | |
| SoPlump | Developer | |
| Soap | Developer | |
| Soap Bubble Productions | Developer | |
| Soareverix | Developer | |
| Sobaka Studio | Developer | |
| Sobek Games | Developer | |
| Social Anvil UG (haftungsbeschränkt) | Developer | |
| SocialMeteorite | Developer | |
| Socialpoint | DeveloperPublisher | |
| Societa Daikanyama | DeveloperPublisher | |
| Société Pollene | Developer | |
| Socko! Entertainment | DeveloperPublisher | |
| Socksmakepeoplesexy.Net | Developer | |
| SodaDrinkerPro | Developer | |
| Sodigital | Publisher | |
| SodoDev | Developer | |
| Soedesco | DeveloperPublisher | |
| Sofa Bed Studios | Developer | |
| Sofa Squadron | Developer | |
| Sofdelux Studio | Developer | |
| Sofia Abatangelo | Developer | |
| Sofia Romualdo | Developer | |
| Sofie Magnusson | Developer | |
| SofieKSchmidt | Developer | |
| Sofix | DeveloperPublisher | |
| Sofronas | Developer | |
| Sofsource, Inc. | Publisher | |
| Soft Action | Developer | |
| Soft Bank | DeveloperPublisher | |
| Soft BankJP | Publisher | |
| Soft Enterprises | DeveloperPublisher | |
| Soft Hornet | Developer | |
| Soft House | Developer | |
| Soft House Aladdin | DeveloperPublisher | |
| Soft House Bon bee Bon Bon | DeveloperPublisher | |
| Soft Lava | Developer | |
| Soft Machine | Developer | |
| Soft Office | DeveloperPublisher | |
| Soft Option | Developer | |
| Soft Plan | DeveloperPublisher | |
| Soft Pro | Publisher | |
| Soft Pro International | Publisher | |
| Soft Studio Wing | DeveloperPublisher | |
| Soft Vision | DeveloperPublisher | |
| Soft Vision International / Coconuts Japan (JP) | Publisher | |
| Soft VisionJP | Publisher | |
| Soft-World | DeveloperPublisher | |
| Soft-World International | Publisher | |
| SoftBank | Publisher | |
| SoftColors | Developer | |
| SoftCore | Developer | |
| SoftFrame | Developer | |
| SoftGold Dotsoft | Publisher | |
| SoftKey | Publisher | |
| SoftLab Laboratories | DeveloperPublisher | |
| SoftLeafStudios | Developer | |
| SoftMax | DeveloperPublisher | |
| SoftServ, Inc. | Developer | |
| SoftSide | Publisher | |
| SoftStar | DeveloperPublisher | |
| Softalk | Publisher | |
| Softbank Corp. | Publisher | |
| Softdisk | DeveloperPublisher | |
| Softdisk (unreleased)[18] | Publisher | |
| Softdisk Publishing | Publisher | |
| Softeam | Developer | |
| Softek | Publisher | |
| Softek International (Christian F. Urquhart, Doc) | Developer | |
| Softel (Clive Wilson, Les Hogarth) | Developer | |