Group
- Shut up & Sit Down1
- Sideshow Swap1
- Silver Knights Chess1
- Silver Moon1
- Silverclutch Games1
- Skeptical Powerhouse1
- Sky Relic Games LLC, Botch Games Podcast1
- Skybound Games1
- Slang Design; Hebanon Games1
- SmiteWorks: Fantasy Grounds Unity1
- Snarling Frog Productions1
- Sneak Attack Press1
- So YOU Want to Work in the Anime Industry?1
- Social Flare1
- Society for the Promotion of Japanese Animation1
- Solo lobo Pictures1
- Something Witty and Clever1
- Somos Rol/Chaosium/Nosolorol1
- Somos Rol/Other Selves1
- Soultaker Studios1