Group
- Indiana Sciences2
- Indianapolis Fencing Club8
- Indie Game Developer Network98
- Indie Game Studios44
- Indie Games Explosion16
- Indy DzC1
- IndyStorm3
- IndyWest Gamers7
- Infinite Black3
- Infinite Imaginations, Inc.104
- InkPen Productions3
- Inside Up Games20
- Iron Crown Enterprises16
- Japanime Games93
- Jasco Games13
- Jayhawk Wargames4
- Jerrod and Tyler's DM Spectacular 1
- Joyful Noise Recordings1
- June Soler Gaming4
- Just a Gaming Group1