| C2laballe | France | November 6, 2006 | Production |
| Cactus Jack Records | — | — | — |
| Calm Beats | — | 2019 | Original Production |
| Capela Records | — | January 1, 2013 | Distributor |
| Capitol Records | United States | April 9, 1942 | Imprint |
| Card Gang Music | — | 2015 | Original Production |
| Caroline Records | — | — | — |
| Cartel Records | France | — | — |
| Casablanca Records | United States | June 13, 1973 | Original Production |
| Casanova Records | United States | October 1, 1999 | Production |
| CasaOne Records | France | — | Production |
| Cash Money Records | — | 1991 | Original Production |
| Cayenne Music | France | — | Production |
| Cb41 Music | — | June 10, 2023 | Production |
| Cbstyle | France | 2005 | Production |
| Centreville Records | Belgium | February 16, 2021 | Production |
| CERTIFIED HITz Music Group | — | April 10, 2010 | Imprint |
| Cesar Charp | France | 2007 | Production |
| CGA The Label | — | February 21, 2017 | Original Production |
| Chakhead, LLC | United States | March 24, 2020 | Publisher |
| Chaos Recordings | United States | 1992 | Original Production |
| Chapter ONE | Germany | 2014 | Distributor |
| Chill Beats Records | Sweden | — | Original Production |
| Chill Ghost | — | 2021 | Original Production |
| Chill Moon Music | — | November 2020 | Original Production |
| Chill Space Records | — | July 2021 | Original Production |
| Chilled Cat Music | Australia | — | Original Production |
| ChilledCow Records | — | 2017 | Original Production |
| Chillhop Music | Netherlands | February 2020 | Original Production |
| Chillhop Records | — | — | Original Production |
| Chimperator Productions | Germany | 1999 | Production |
| Chrysalis | United Kingdom | 1969 | Imprint |
| City Sound | — | — | Production |
| Clan Music | Germany | — | — |
| Classical Playa | — | June 1, 2004 | Production |
| CMF-Records | France | 2012 | Production |
| CMG | France | — | Imprint |
| CMP Productions | France | — | Production |
| Coalmine Records | — | 2005 | — |
| Coca Overdose Kaizen Entertainment | — | February 28, 2013 | Publisher |
| Code Boom | France | 2004 | Production |
| Coded Media Entertainment Studios | South Africa | May 7, 2015 | Original Production |
| Cold Busted | — | 2008 | Production |
| Cold Chillin’ | United States | — | Imprint |
| Cole Slaw | — | — | Original Production |
| Colekt'Or | France | — | — |
| College Music Records | — | 2014 | Original Production |
| Color Velvet Empire | — | January 1, 2026 | Production |
| Colored Music | France | — | Original Production |
| Colors Publishing | Switzerland | — | Publisher |
| Colors Records | Switzerland | February 2009 | Production |
| Columbia | United States | 1887 | Imprint |
| Columbia Local | — | — | Imprint |
| Commando War Records (CWR) | — | April 25, 2025 | Production |
| Con Artist Productions | — | February 1, 2025 | Imprint |
| Concord Records | — | — | — |
| Core Music Group | — | June 19, 2020 | Original Production |
| Corporate Thugz Entertainment | — | 1998 | — |
| Counteract Entertainment | Germany | — | Original Production |
| Crash Beat Recordz | Germany | July 1, 2019 | Distributor |
| Crazy Noise | United States | — | — |
| Cream City Studios | United States | August 21, 2020 | Production |
| Creative Bakery | Germany | — | Original Production |
| Cryptonite Music | France | — | Production |
| Créateurs d'Univers | France | 2024 | Production |
| Cuddly Records | France | March 5, 2021 | Original Production |
| Cultura | — | — | Original Production |
| CurseOnesOnlyRecords | — | January 23, 2019 | Production |
| CWR Limited | — | April 25, 2025 | Distributor |
| Côté Obscur | France | January 23, 1995 | Publisher |
| C‐Note Records | United States | 1988 | Original Production |