| Chlyklass Records | | | Switzerland | | | |
| Chop Records | Production | LC 029184 | Switzerland | | | |
| Christoph Merian Verlag | | | Basel, Basel-Stadt, Switzerland | | | |
| Chrysa S.A. | Publisher | | Switzerland | | | |
| Ciba Vision | Distributor | | Switzerland | | | |
| Circle Records | Original Production | | Switzerland | | | |
| Classic 2000 | Production | | Twann-Tüscherz, Bern , Switzerland | | [unknown] | |
| Clave Records | | | Thun, Bern , Switzerland | | | |
| Claves Records | Original Production | LC 003369 | Switzerland | 1968 | | |
| Claves Records SA | Holding | | Prilly, Vaud , Switzerland | | | |
| CLEO Music AG | Publisher | | Switzerland | | | |
| Cleomy | | | Switzerland | | | |
| Cloud of Statics | Original Production | | Switzerland | | | |
| Cocaine Music | | | Switzerland | | | |
| COD Music | Distributor | | Switzerland | 1997-11 | 2002 | |
| COD Records AG | Distributor | | Cham, Zug , Switzerland | | | |
| COD Tuxedo | Distributor | | Switzerland | 1986 | 1997-10 | |
| Coffee | | | Switzerland | | | |
| Cold Smoke Records | Publisher | | Switzerland | 2015-09-01 | | |
| Collective.ch | Original Production | | Switzerland | | | |
| Colomba | Distributor | | Switzerland | | | |
| Combat Shock Music | | | Switzerland | | | |
| Compagnie de l'Ovale | Publisher | | Switzerland | | | |
| Condor Records | | | Switzerland | | | |
| Cool & Blue Records | Bootleg Production | | Switzerland | | | |
| Coop City | Production | | Switzerland | | | |
| Copypasta Editions | Production | | Switzerland | | | |
| CordaSonic | Original Production | | Switzerland | | | |
| Corema Records | | | Switzerland | | | |
| CQFD | | | Switzerland | | | |
| Creaked Records | Original Production | | Switzerland | | | |
| Creative Audio Team | Production | | Switzerland | | | |
| Creative Works | | | Root, Luzern , Switzerland | | | |
| CRTTR | | | Switzerland | 2021 | | |
| Crystal Ball Publishing | Publisher | | Switzerland | | | |
| CSR Records | Production | | Switzerland | 1989 | | |
| Current Moves | | | Zurich , Zürich , Switzerland | | | |
| Cut | Original Production | | Switzerland | 1997 | 2008 | |
| Cyber Records | | | Switzerland | | | |
| Cygnetic Records | Publisher | | Switzerland | | | |
| Czar of Bullets | Original Production | | Switzerland | | | |
| Czar of Crickets | Original Production | LC 015207 | Switzerland | 2006 | | |
| DALA Produkte | | | Switzerland | 1994 | | |
| Damp Music | Production | LC 014038 | Switzerland | | | |
| Dansant | Publisher | | Switzerland | 2012-04-23 | | |
| Danse Noire | Original Production | | Switzerland | 2013 | | |
| Darkangel Records | Original Production | | Switzerland | | | |
| Das Beste aus Reader’s Digest AG | | | Zürich , Switzerland | 1952 | | |
| dbr | Original Production | | Switzerland | | | |
| DC Records | | | Switzerland | 1988 | | |
| Dead Vox | Publisher | | Lausanne, Vaud , Switzerland | 2007 | | |
| Deaddeaddeadmusic | Production | | Switzerland | 2011 | | |
| Dear John Conspiracy | Production | | Duillier, Vaud , Switzerland | | | |
| Death Cult Switzerland | | | Switzerland | | | |
| Death Fiend Productions | Publisher | | Switzerland | 2000 | | |
| Deep Inside Music | | | Switzerland | | | |
| Deep Machinery Records | | | Switzerland | | | |
| Deepdive Music | Distributor | | Switzerland | | | |
| Deepdive Records | Original Production | LC 020310 | Switzerland | 1999 | | |
| Definition:Music | Original Production | | Zurich , Zürich , Switzerland | | | |
| Déjà-Vu Records | Original Production | | Basel, Basel-Stadt, Switzerland | 1999 | | |
| Delachaux et Niestlé | Publisher | | Switzerland | | | |
| Delinat GmbH | | | Switzerland | 2009 | | |
| Demand Records | Original Production | | Switzerland | 2011-02 | | |
| Denis Nsiala | | | Switzerland | | 1998 | |
| dents de scie | Production | | Switzerland | | | |
| Der gesunde Menschenversand | Publisher | | Switzerland | 1998 | | |
| Der letzte Schrei Records | Publisher | | Switzerland | | | |
| Desert Engine | Original Production | | Switzerland | | | |
| Dewil Music | Production | | Switzerland | | | |
| dexmusic | Production | | Switzerland | | | |
| dexRecords | Original Production | LC 000152 | Switzerland | 2010-01-01 | | |
| Diabolo Grenadine | | | Switzerland | | | |
| Dialog Records | Original Production | | Switzerland | | | |
| Diamond Records | Publisher | | Switzerland | | | |
| Dicke Titten Records | | | Switzerland | | | |
| Dilek Records | | | Basel, Basel-Stadt, Switzerland | 2008 | | |
| Dinemec Classics | | | Switzerland | | | |
| Dino Music AG | Distributor | | Baar, Zug , Switzerland | | | |
| Diogenes | Original Production | | Switzerland | 1952 | | |
| Dionysian Mysteries | | | Lucerne, Luzern , Switzerland | | | |
| DirtFi Records | | | Switzerland | | | |
| Dirty Alternative Beat | | | Switzerland | | | |
| Disco-Club | | | Switzerland | | | |
| Disco-Ton | Original Production | | Switzerland | | | |
| Disctrade | Distributor | | Zurich , Zürich , Switzerland | 1980-01-01 | | |
| Disques Limecurd | | | Switzerland | | | |
| Disques Office | | | Switzerland | 1954 | | |
| Distorted Records | | | Bern , Switzerland | | | |
| Division Records | Original Production | | Switzerland | 1996 | | |
| Divox | Original Production | | Itingen, Basel-Landschaft , Switzerland | 1984 | | |
| Divus Modus | | | Switzerland | | | |
| DJ Beat Records | Original Production | | Switzerland | | | |
| Doc Gator Records | Distributor | | Switzerland | | | |
| Doetsch Grether AG | Holding | | Basel, Basel-Stadt, Switzerland | 1899 | | |
| Domizil | Original Production | | Switzerland | 1999 | 2002 | |
| Don Music Productions | Original Production | LC 003172 | Switzerland | | | |
| Downtown Records | | LC 011991 | Burgdorf, Bern , Switzerland | | | |
| Dread Lion Records | Production | | Switzerland | | | |
| Dream Records | | | Switzerland | | | |