Publishers – S
Publishers: Sacred Music Press - Strube Verlag
- Sacred Music Press
- Salabert
- Salvationist Publishing
- Salvatore Simeoli
- Salvi
- Sam West Productions
- Samek Music
- Sanctuary
- Santa Barbara Music Publishing
- Santorella Publications
- Saxtet Publications
- SBK
- Scarecrow Press
- Schaum Publications
- Schell Music
- Scherzando Music Publishing
- Schirmer
- Schola Cantorum Editions
- Scholastic
- School of Rock
- Schorer Music Publishing
- Schott
- Schott Archive
- Schroeder and Gunther
- Schuh Verlag
- Schwann Musikverlag
- Schweizerischer Musikpädagogischer Verband
- Scomegna
- Scores Reformed
- Second Floor Music
- Serenissima Music
- Seresta Music
- Serie Piper
- Shadow Water Music
- Shawnee Press
- Sher Music
- Shorter House
- Siebenhüner Musikverlag
- Sierra Music Publications
- Signature Licks
- Sikorski
- Simrock
- Sinfonica
- Sing Out! Publications
- Singing Earth
- Singsing
- SJ Music
- Skandinavisk Musikforlag
- Small Voices Publishing
- SmartMusic
- Smith Publications
- Soar Valley Music
- Société française de musicologie
- Solo Series Recordings
- SonArt Edition
- Sontig Press
- Sonzogno
- Soul Drums
- Southern Illinois University Press
- Southern Music
- Spartan Press
- SR Wheat Organ Co.
- St Francis Publications
- St Rose Publishing
- Stainer & Bell
- Star
- Starshine Music
- Starter Series
- Stefan Grossman's Guitar Workshop
- Steingräber Verlag
- Stephenson Music
- Sterling Publishing Co Inc
- Steven Mooney
- Stormworks Europe
- Strauss Edition Wien
- String Letter Publishing
- String Swing
- Strings Attached
- Stringstastic
- Strube Verlag
Publishers: Studio 100 - Symphonic Dimensions Publishing
- Studio 100
- Studio Music Company
- Studio Verlag Seifert
- Subito Music Publishing
- Subject Publications
- Suck UK
- 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
