Group
- The Revel Alliance and Counts to Nine Productions2
- The Richmond Grays6
- The Right Stuf International4
- The Road Crew25
- The Role-Players Guild of Kansas City3
- The Rpg Academy6
- The Scabby Rooster LARP Tavern6
- The School Library System of the Genesee Valley Educational Partnership2
- The Seekers15
- The Sewing Cooperative12
- The Shake Ups4
- The Shed Wargames Group10
- The Shining Jewel, LLC7
- The Skeptical Gamers33
- The Slaughter Rollers37
- The Sons of the Singularity2
- The Spoils25
- The Spoils / CovenantTCG3
- The Started Hare44
- The SuperiCore Group64