Publishers – S
Publishers: Sacred Music Press - Soul Drums
- Sacred Music Press
- Salabert
- Salvationist Publishing
- Salvatore Simeoli
- Salvi
- Sam West Productions
- Samek Music
- Sanctuary
- Sandstone Music
- Santa Barbara Music Publishing
- Santorella Publications
- Sara Jordan Publishing
- Sarah Broughton Stalbow
- Saxtet Publications
- SBK
- Scala
- Scarecrow Press
- Schaum Publications
- Schell Music
- Scherzando Music Publishing
- Schirmer
- Schola Cantorum Editions
- Scholastic
- Schorer Music Publishing
- Schott
- Schott Archive
- Schroeder and Gunther
- Schuh Verlag
- Schwann Musikverlag
- Schweizer Flötengesellschaft
- Schweizerischer Musikpädagogischer Verband
- Sciencia Scripts
- Scomegna
- Scores Reformed
- Scott M Ecommerce
- Second Floor Music
- Seeber Film Verlag für Bläsermusik
- Seemann Henschel
- Select Music
- Sempre Piu Editions
- Serenissima Music
- Seresta Music
- Serie Piper
- Sevenhorns Publishing
- Seventh Species
- Shadow Water Music
- Shawnee Press
- Sheila Wilson
- Sher Music
- Shojai & Steele Plays
- Shorter House
- Siebenhüner Musikverlag
- Sierra Music Publications
- Signature Licks
- Sikorski
- Silver Pencil Press
- Silverman Musical Enterprises
- Simon & Schuster
- Simrock
- Simton Musikverlag
- Sinfonica
- Sinfonica Edizioni
- Sing Out! Publications
- Singing Earth
- SJ Music
- Skandinavisk Musikforlag
- Small Voices Publishing
- Smartalbinos
- SmartMusic
- Smith Publications
- Snowball Publishing
- Soar Valley Music
- Soho Sound Company
- Solana Press
- Solo Piano Publications
- Solo Series Recordings
- SonArt Edition
- Sontig Press
- Sonzogno
- Soul Drums
Publishers: Sounds True Inc - Symphonic Dimensions Publishing
- Sounds True Inc
- Southern House Publishing
- Southern Illinois University Press
- Southern Music
- SP Muusikaprojekt
- Spartan Press
- Spiritoso Muziekuitgeverij
- SR Wheat Organ Co.
- St Francis Publications
- St Rose Publishing
- Stainer & Bell
- Star
- Starlicks Publications
- Starshine Music
- Starter Series
- Stefan Grossman's Guitar Workshop
- Steingräber Verlag
- Stephen Dunstone
- Stephen Street
- Stephenson Music
- Sterling Publishing Co Inc
- Steven Mooney
- Stormworks Europe
- Strauss Edition Wien
- String Letter Publishing
- String Swing
- Strings Attached
- Stringstastic
- Strube Verlag
- Studio 100
- Studio 259 Productions
- Studio Music Company
- Studio Verlag Seifert
- Subito Music Publishing
- Subject Publications
- Sulasol
- Summy-Birchard Inc.
- Superbrass Music
- Supraphon
- Surleac Eusebiu
- Sutherland Trading Co.
- Suvini Zerboni
- Swath Publishing
- Swell Recording
- Sylvia Woods
- Symetrie
- Symphonic Dimensions Publishing