Labels – C
Labels: C Major - Chesky Records
- C Major
- C-Y Contemporary
- Cafua Records
- Cahoots
- Cala
- Calliope
- Cambayá
- Cambria
- Cameo Classics
- Camerata
- Camerata Tokyo
- Campanella
- Campion Cameo
- Campion Records
- Canadian Music Centre Distribution Service
- Canary Classics
- Candid
- CanSona Arts Media
- Cantaloupe
- Cantate
- Canticum
- Cantilena Records
- Cantoris
- Cantus
- Capella de Ministrers
- Capitol Records
- Cappella Romana
- Capriccio
- Caprice
- Capriol Films
- Capriole
- Carl Davis Collection
- Carpe Diem
- Carpe Diem (Sweden)
- Carus
- Casa Editions
- Casa Musicale Eco
- Cascade Medien
- Cascavelle
- Casta Diva
- Castigo Classic Recordings
- Castus
- Catalyst
- Cavendish Music Library
- CBC
- CD Accord
- cd.tp
- CdA Music Group
- CDK Music
- CDKlassisk
- CDM
- Cedille
- Celestial Harmonies
- Cellar Live
- Cello Classics
- Celtic Collections
- Centaur
- Centrediscs
- Centretracks
- CFClassic
- CFM
- Challenge Classics
- Challenge Records
- Chamaleon
- Chamber Music Society of Lincoln Center
- Chamber Orchestra of Philadelphia
- Chamber Sound
- Champs Hill Records
- Chandos
- Changes Music
- Channel
- Chantage
- Chanticleer Records
- Charade
- Château de Versailles Spectacles
- Chelsea Music Festival Records
- Chemin Neuf - AME
- Chemodanov Production
- Cherry Red
- Chesky Records
Labels: Chester Music - CPO
- Chester Music
- Chiaroscuro Records
- Chopin University Press
- Choralife
- Chord of Light
- Christophorus
- Chrysalis Records
- Chubu Philharmonic Orchestra
- Cinquillo
- Circular
- Claddagh Records
- Clarinet and Saxophone Classics
- Clarinet Classics
- Clarion
- Clark Bryan
- Classic Clips
- Classic Concert Records
- Classic FM
- Classical Gallery
- Classical Renaissance Records
- Classical Tunes
- Classico
- Classico Latino
- Claudio
- Claves
- Cleopatra Records
- Cleveland Orchestra
- Clockwize Online
- CMP Records
- CNM
- Cobra
- COE Records
- Cog Communications
- Col Legno
- Cold Blue Music
- Colin Currie Records
- Collection 1001 Notes
- Collegium
- Collins Classics
- Colophon Records
- Colossal
- Columbia
- Columna Musica
- Comfy Towers
- Compare Edition
- Composers Concordance Records
- Composers Voice
- Concert-Disc
- Concerto
- Concinnity Recordings
- Concord
- Concord Records
- Conifer
- Conroy
- Consouling Sounds
- Contemporary Records
- Continuo Classics
- Continuo Jazz
- Continuum
- Contraste Productions
- Contrastes Records
- Convivium
- Cook Records
- Cooking Vinyl
- Coop Breizh
- Corelia
- Coro
- Coronata
- Cosmicleaf Records
- Cosmopol
- Cosmos
- Cosmos Studios Music
- Couleurs Music Publishing
- Counterpoint Records
- Country & Eastern
- Court Lane Music
- Coviello
- Cowbell Music
- Coyote Records
- CPO