Group
- Halsbren Publishing LLC4
- HammerWalt7
- Hathorus Games1
- Haunted Castle Gaming Inc.4
- HauntedMTL1
- Heroes of Rokugan43
- Hex Games11
- High Shelf Collective15
- Hindrax MC3
- Hunters Entertainment1
- Hunters Entertainment 24
- ICv21
- INS Group3
- IUPUI: Library and Information Science Department1
- Idle Champions1
- Impact Miniatures1
- Impendingduff Gaming Services LLC8
- Incredible Dream Studios4
- Independent1
- Indiana Landmarks11