Group
- Guardians of Order7
- Guild of Blades Publishing Grp11
- HMGS1
- HMGS Member2
- Hamster Press8
- Happy Nebula Adventures4
- Hawster Press2
- Heraldic Game Design4
- Hero Games4
- Hero Games / R. Tolsorion Games1
- Howster Press1
- Hubris Games2
- IAN Press, Ltd4
- ICE145
- IFGS1
- Imagination1
- Infinite Imagination50
- Infinite Imagination Inc2
- Inner City Games8
- Inner City Games Designs22