Publishers – S
Publishers: S.P.E.S. Studio per Edizioni Scelte - String Letter Publishing
- S.P.E.S. Studio per Edizioni Scelte
- Sacred Music Press
- Salabert
- Salvationist Publishing
- Salvatore Simeoli
- Salvi
- Sam West Productions
- Sanctuary
- Santa Barbara Music Publishing
- Santorella Publications
- Saraband
- Saxtet Publications
- SBK
- Scala
- Scarecrow Press
- Schaum Publications
- Schell Music
- Scherzando Music Publishing
- Schirmer
- Schola Cantorum Editions
- Scholastic
- Schorer Music Publishing
- Schott
- Schott Archive
- Schuh Verlag
- Schwann Musikverlag
- Schweizerischer Musikpädagogischer Verband
- Scomegna
- Scores Reformed
- Second Floor Music
- Secret Mountain
- Seeds of Hope
- Seiko
- Sempre Piu Editions
- Serenissima Music
- Seresta Music
- SGS Medienvertrieb Patrick Schulze
- Shadow Water Music
- Shawnee Press
- Sheila Wilson
- Sher Music
- Shorter House
- Siebenhüner Musikverlag
- Siegmund Andraschek
- Sierra Music Publications
- Sikorski
- Simrock
- Sinfonica
- Sing Out! Publications
- Singing Earth
- SJ Music
- Skandinavisk Musikforlag
- Small Voices Publishing
- SmartMusic
- Société française de musicologie
- Solo Series Recordings
- SonArt Edition
- Sontig Press
- Sonzogno
- Soul Drums
- Southern Music
- SP Muusikaprojekt
- Spartan Press
- Spiritoso Muziekuitgeverij
- SR Wheat Organ Co.
- St Rose Publishing
- Stainer & Bell
- Star
- Stark Musikverlag
- Starshine Music
- Starter Series
- Stefan Grossman's Guitar Workshop
- Steingräber Verlag
- Stephen Clark
- Stephenson Music
- Stormworks Europe
- Storyville Records
- Strauss Edition Wien
- Stretta
- String Letter Publishing
Publishers: Strings Attached - Symphonic Dimensions Publishing
- Strings Attached
- Stringstastic
- Strube Verlag
- Studio 100
- Studio Music Company
- Subito Music Publishing
- Subject Publications
- Sulasol
- Summerisle Songs
- Summy-Birchard Inc.
- Sunshine Music Company
- Superbrass Music
- Supraphon
- Sutherland Trading Co.
- Suvini Zerboni
- Swath Publishing
- Swell Recording
- Sylvia Woods
- Symétrie
- Symphonic Dimensions Publishing
