Group
- Stormcliff Game Studio3
- StrataMax Games3
- Strayhold3
- Structural Potato3
- StruebSquad3
- Studio Cosplay3
- Super Genius Games3
- SuperKayce3
- Sword & Lion3
- System Mastery Podcasts3
- TORGanized Play3
- TRI-STATE LEAGUE (RPGA)3
- Take Five Net Three Productions3
- Team Argos3
- Team Wrong3
- Teapot Dome Games3
- TeeTurtle3
- The Brothers Murph3
- The Collective3
- The Cornerstone Adventuring Company3