Group
- Calliope Games21
- Calumet Armchair Gamers2
- Calvin Stengel5
- Camarilla Fan Club (Midnight Dance)8
- Cameron Hays1
- Campaign Coins5
- Campbellsville University2
- Candlekeep Presents5
- Candlekeep.com2
- Canvas Temple Publishing1
- Capital Area District Libraries1
- Capital One1
- Capstone Games72
- Captain Maddlove10
- Captain Pete & Crew15
- Captain Pete and Crew12
- Captain Pete's Crew16
- CaptainSwift2
- CardLords40
- Cardboard Alchemy12