Group
- Critters at Gen Con1
- Crowd Games1
- Cryptozoic1
- Cryptozoic Entertainmnet1
- Crystal Commerce1
- Cyberia Ltd.1
- Cycorp1
- D&D Miniatures Online Community1
- D-Verse Publishing, LLC1
- D20Crit1
- D3 Games1
- DDD Gamers1
- DDOCast1
- DDWRPG / Earthbound TimeLords / MAGE1
- DEI Adventures Program / Morningstar1
- DMK Creative, LLC1
- DMs Roundtable1
- DSM Halo Tabletop1
- DV Entertainment1
- DV GIOCHI GAMES1