Group
- Dead Gentlemen Productions15
- Design Thingies1
- Devious Devices9
- Devious Weasel Games4
- DiceWitch12
- Different Drummer Belly Dancers2
- Dimension Games144
- Dire Wolf Digital20
- Discotek2
- Discover International Games1
- Don't Panic Games26
- Double Barreled5
- Double Exposure, Inc.32
- Dr. Bubba's Games5
- Dracolich Fantasy Art1
- Dracos Games6
- Dragon's Bait Games3
- DriveThruRPG2
- DriveThruRPG.com1
- Drunk and Ugly1