Group
- Cryptozoic Entertainment28
- Currey Ingram Academy2
- Czech Games Edition941
- D&D in a Castle1
- D20 Burlesque4
- DDM Guild4
- DDWRPG4
- DGS Games8
- DNA Games4
- DPH Games Inc.51
- DV Games1
- Damsels of Dorkington6
- Dan the Bard/Marcotte Music, LLC6
- Dancing and Dragons8
- Dark Horse1
- Darker Hue Studios2
- David Millians2
- David Niecikowski, PhD3
- Dead Alive Games29
- Dead Tree Studios LLC2