Group
- Rockhead's2
- Rockhead's Comics & Games8
- Rockhead's comics & games4
- Rocky Mountain Savages6
- Rogue Enterprises6
- Rogue Fencing2
- Rogue Gamers' Guild1
- Rogue Games8
- Rogue Games, Inc.8
- Rogue Judges2,390
- Rogue Wizard Publishing1
- Role Playing Public Radio15
- Role-Player's Guild of Kansas City3
- Role-Players Guild of Kansas City7
- RolePlayersINK, LLC10
- Roll For Combat5
- Roll For Initiative1
- Roll One Games12
- Roll2023
- Rollacrit40