| Butterz | 2010 | — |
| B‐Unique Records | September 2000 | 530 |
| C.I.A. | 6 September 1996 | — |
| C.I.A. Deep Kut | — | — |
| C64Audio.com | August 1995 | — |
| Cacophonous Records | 1993 | 7871 |
| CalmDownKidder Records | 2007 | — |
| Carlin Recorded Music Library | 1966 | 7189 |
| Catskills Records | 1997 | — |
| Cause 4 Concern | — | — |
| Cavendish Music | 2 December 1954 | 7053 |
| Certificate 18 | — | 2592 |
| Chaconne | 1989 | 7038 |
| Champion | 1984 | — |
| Chandos | 1979 | 7038 |
| Charisma | 1969 | — |
| Cheeky Records | 1991 | 2463 |
| Chemikal Underground | February 1995 | — |
| China Records | 1 October 1984 | 1896 |
| Chiswick | 1975 | 4658 |
| Chopped Herring Records | 2001 | — |
| Ché Trading | 1991 | — |
| Circulation | 1998 | — |
| City Beat | — | — |
| Classic | — | — |
| Clay Records | — | — |
| Clean Up Records | — | 2920 |
| Clear | 28 August 1994 | — |
| Coalition Recordings | — | — |
| Code Blue | — | — |
| Cohesion | — | 1051 |
| Columbia Records | 21 April 1931 | 162 |
| Commercial Suicide | 2001 | — |
| Concrete | — | — |
| Congo Natty Records | 1994 | — |
| Cooking Vinyl | 1986 | 7180 |
| Cooperative Music | 2005 | 14017 |
| COS Recordings | — | — |
| Counter Records | — | 34609 |
| Covert Operations Recordings | 1999 | — |
| CRD Records | 1965 | — |
| Creation Records | 1983 | 6306 |
| Creative Source | 1995 | — |
| Creative Wax | 1992 | — |
| Creole Records | — | 420 |
| Critical Music | 2002 | — |
| Crosstown Rebels | 2003 | — |
| Crucast | — | — |
| Cruel Nature Records | 2013 | — |
| Cup of Tea Records | 1995 | — |
| D.C. Recordings | 1995 | — |
| D.O.R. | 1992 | — |
| Damaged Goods | — | 13056 |
| Dance to the Radio | 2005 | 1801 |
| Dandelion Records | 18 July 1969 | — |
| Dangervisit Records | — | 34672 |
| Dark Age Music | 1998 | — |
| Dark Horse Records | 1974 | — |
| Datamusik14 Test Records | 1 January 2024 | — |
| Dawn | 1970 | — |
| De Wolfe Commercial Breaks | — | 6822 |
| Delerium Records | — | 4724 |
| Deltasonic | January 2000 | — |
| Dented Records | 2003 | — |
| DEP International | 1980 | 8208 |
| Deram | 1966 | 942 |
| Desire Records | 1983 | 9088 |
| Deviant Records | — | — |
| Dharma Records | 20 November 2002 | 13204 |
| Digital Jukebox Records | — | 28744 |
| Digital Soundboy | August 2005 | — |
| DiN | 1987 | — |
| Direction Records | — | — |
| Directors Cuts | — | 431 |
| Dirtee Stank Recordings | 2006 | — |
| Disconnect Disconnect Records | — | — |
| Discotheque | — | 6448 |
| Dispatch Recordings | 2001 | — |
| Distinct’ive | 1995 | — |
| DJM Records | 1969 | 1278 |
| DMZ | — | — |
| Doctor Bird | — | 4037 |
| Dome Records | 1992 | — |
| Domino | 1993 | 10192 |
| Donky Pitch | June 2009 | — |
| Dragonfly Records | 1993 | — |
| Dread Recordings | 1994 | — |
| Dream Catcher | — | — |
| DSCI4 | 1999 | — |
| Duck Records | — | — |
| Duophonic | November 1991 | 5807 |
| Durtro | 1990 | — |
| Dust Science Recordings | 2005 | — |
| Eastside Records | — | — |
| Eastworld Recordings | — | — |
| Easy Records | — | — |
| Echo | 1994 | — |
| Electric Dance Music | — | — |
| Elevator Music | — | — |
| Ellie Jay Records | November 1976 | — |