Group
- Grand Gaming Academy1,063
- Grand Guignol1
- Grand Guignol Games63
- Grand Island Gaming Guild5
- Grand Valley State University2
- Grandfather Films1
- Grandpa Beck's Games82
- Gravedigger Inc5
- Gravedigger Inc.32
- Graveyard Stompers Band1
- Gray Matters Games1
- Great Big Table1
- Great Hall Studios4
- Great Northern Games47
- Great Old Ones2
- Great Scott! Games1
- Great White Games34
- Greater Philadelphia Independent Gamer's League11
- Greater Philadelphia Independent Gamers League4
- Greater Than Games365