Group
- HMGS-Great Lakes5
- Hamster Press19
- Heliograph, Inc.4
- Hex Games20
- HinterWelt Enterprises4
- Human Head Studios6
- Hutts with Turbans2
- Independent387
- Indianapolis Interactive Theatre3
- Indianapolis: Shades of Crimson (One World by Night)2
- Indie RPG Explosion78
- Infamous Games Inc3
- Infinite Imaginations, Inc.101
- Iron Brigade Wargamers4
- Jared A. Sorensen1
- Jean Rabe and Gen Con LLC2
- Jean Rabe and Gen Con LLC.16
- Jeff Goins and Gen Con LLC2
- Jikkarro Enterprises3
- JoyRide Entertainment16