Group
- Discovery Games & HMGS2
- Disorderlies2
- Dominion Weapons Group2
- Don't Split the Podcast Network2
- Donald Kamadulski2
- Doodez Inc., Werecabbages, & Paizo Publishing2
- Douglas County Schools2
- Dr Bubba's Games2
- Dr. Lewis Pulsipher2
- Dragon Pro Studios2
- Dragon's Greed Gaming2
- Dragonsbait2
- Drawcademy2
- DriveThruRPG.com2
- Drunken Dwarf2
- Dungeon Damsel Creations2
- Dungeon Dudes2
- Dungeon World2
- DustUSA2
- Dystopian Holdings2