Group
- The Nexus2
- The Pandemonium Institute45
- The Polyhedral Knights17
- The Richmond Grays3
- The Shake Ups1
- The Sons of the Singularity2
- The Unholy Triad4
- The Upper Deck Company157
- The WitchBorn Corporation11
- TheOtherDev Productions1
- TheRpgAcademy3
- Third Eye Games1
- Threadraiders1
- Three Pawns18
- Thunderworks Games LLC66
- Tilt Five60
- Timewarp Labs1
- Tonight, Tonight1
- Too many Toms2
- Top Shelf Tours19