Labels – S
Labels: Sacconi Records - Soundmark Records
- Sacconi Records
- Sacrambow
- Sain
- San Diego Symphony
- San Luis Obispo symphony
- Sancho Panza Records
- Sanctiandree
- Sanctus Recordings
- Saphir Productions
- Saphrane
- Sarabande
- Sarastro
- Sarton Records
- Satirino
- Savoy
- Saydisc
- Scandinavian Classics
- SCDL
- Scribendum
- SDG
- Seaflower Music
- Seattle Symphony Media
- Second Sight
- SEED
- Sekt Records
- Sena
- Sepia
- Seraphic Fire Media
- Seraphim
- Seventh Art
- SFS Media
- SFZ Records
- Shelan
- Sheva Collection
- Shiiin
- Showtime
- Siamese Recordings
- Siba Records
- SICUS Klassik
- Signature
- Signum
- Silva Classics
- Silva Screen Records
- Simax
- Single Noon Records
- Siren Songs
- Sittel Records
- SJCR
- Skálholtsútgáfan
- SKANI
- Skarbo
- Sketis Music
- Skip Records
- Skira Classica
- Skylark Music
- Slam Productions
- Sleeveless Records
- SMC Records
- Smekkleysa
- Smudged Discs
- Solal
- Solfa Recordings
- Solitudes
- Solo Musica
- Solo Records
- Solo Voce
- Soloist in Concert
- Solstice
- Somm
- Son Art Records
- Sonda
- Sonor Records
- Sony
- Sorel Classics
- Sospiro Noir
- Sospiro Records
- Sound Circus
- Soundalive
- Soundbrush
- Soundmark Records
Labels: Soundset - Syrius
- Soundset
- Sparrow
- Spartacus
- Spektral
- Spinto Music Media
- SRC
- SSO Recordings
- St Lukes Collection
- St Petersburg Chamber Choir
- Stan Music
- Starkland
- Start Records
- State Choir Latvija
- State Youth Orchestra of Armenia
- Status
- Steeplechase
- Steinway & Sons
- Steinway and Sons
- Sterling
- Stockhouse
- Stomp
- Stone Records
- Storm Classics
- Stradivarius
- Strings
- Stuart Mitchell Music
- Studio SM
- Suite 28
- Summit Records
- Supraphon
- Svenska Music Kultur
- Swedish Society
- SWR Digital
- SWR Music
- Syco
- Symphony Hall
- Symposium
- Syrius