| Name | Type | Country | Number |
|---|---|---|---|
| çà et là | Editor | France | 2 |
| Casteleven | Editor | France | 1 |
| Casterman | Editor | France | 18 |
| Chattochatto | Editor | France | 2 |
| Christian Bourgois Éditeur | Editor | France | 1 |
| Clair de Lune | Editor | France | 10 |
| COAMIXコアミックス | Editor | Japan | 2 |
| CommitStrip | Editor | France | 1 |
| Coremagazineコアマガジン | Editor | Japan | 1 |
| crunchyroll | Editor | France | 1 |
| Cygames | Editor | Japan | 3 |