Group
- Brotherwise Games16
- Burnt Island Games16
- By the Lanterns Light16
- CATAN Studio126
- CMON3
- Caliena Creations2
- Candlekeep Presents1
- Capital Area District Libraries1
- Capstone Games38
- Captain Maddlove4
- CardLords7
- Cardboard Alchemy12
- Castillo Games17
- Catalyst Game Labs236
- Catan Studio6
- Center for Learning through Game and Simulations CMU3
- Chaos Haunted & Historical Tours9
- Chaosium Inc36
- Chaotic Good Gaming4
- Chicago ConLARP63