Group
- Goon Games8
- Gorilla Games6
- Gradepeer1
- Grand Gamers Guild10
- Grand Gaming Academy145
- Gray Matters Games1
- Great Northern Games12
- Greater Than Games227
- Greater Than games2
- Green Dingo Designs8
- Green Ronin Publishing93
- Green Ronin Publishing / Geek & Sundry2
- Greenbrier Games28
- Greyhawk Reborn33
- Griffon Gamers South3
- Griggling Games, Inc.5
- Grognard Studio16
- Growling Door Games1
- Gut Bustin' Games63
- Guy in a Bunker Productions3