| 21st Century Composers 2024 |
| Alfred Music |
| Alias Press |
| Alliance for Composer Diversity |
| American Composers Forum/Hal Leonard |
| Amstel Music/Hal Leonard |
| Anglo Music/Hal Leonard |
| APOLLO STUDIOS Music Publishing*** |
| Arco Strings Publications/C.L. Barnhouse Co. |
| ArrangeMe/Hal Leonard |
| Arrangers Publishing Co./Hal Leonard |
| Ars Nova Press, Inc. |
| Aspenwood Music; The Music of Carol Brittin Chambers*** |
| Baker's Jazz and More |
| Belwin |
| Beriato Music Publishing/Hal Leonard |
| Best-Of-British-Music.com |
| Birch Island Music Press/C.L. Barnhouse Co. |
| Black Tea Music |
| Blue Dot Composers Collective |
| Boosey & Hawkes/Hal Leonard |
| BOVACO Music Publications/C.L. Barnhouse Co. |
| Brain Co. Ltd. |
| Bravo Music |
| Brazilian Music Publications |
| Breezin' Thru Inc. |
| Breitkopf & Haertel KG |
| Brolga Music Publishing Company |
| C. Alan Publications |
| C. L. Barnhouse Company |
| C. Sharp Music, Inc. |
| Canadian Brass Publications/Hal Leonard |
| Carl Fischer and Theodore Presser Company |
| Chesford Music Publications/C.L. Barnhouse Co. |
| Claude T. Smith Publications, Inc. |
| CodaChrome Collective |
| Concert Music Publications Germany |
| Curnow Music/Hal Leonard |
| Daehn Publications/C.L. Barnhouse Co. |
| Dallas Brass/C.L. Barnhouse Co. |
| Daniel Fullman Music*** |
| Dapper Page*** |
| De Haske Publications/Hal Leonard |
| Dennis E. Meyer Music |
| Donald Stauffer Publications/C.L. Barnhouse Co. |
| Doug Beach Music |
| EB Marks Music/Hal Leonard |
| Editions Durand/Hal Leonard |
| Editions Franco Cesarini/Hal Leonard |
| Eighth Note Publications |
| Excelcia Music Publishing |
| Fannin Musical Productions LLC |
| FJH Music Company, Inc., The |
| G. Schirmer/Hal Leonard |
| GIA Publications, Inc. |
| Grand Mesa Music Publishers*** |
| Grand Mesa Strings Publishing |
| Hal Leonard |
| Hampton Roads Music Group |
| Highland/Etling |
| HX Music |
| James M. David and Kevin Poelking, Composers |
| Jay Chattaway Music/C.L. Barnhouse Co. |
| JC Link (HK) Limited |
| Just a Theory Press |
| K.L. King Music/C.L. Barnhouse Co. |
| Katahj Copley Music |
| Keiser Productions, Inc. |
| Kendor Music Publishing |
| Kevin Day Music |
| Key Poulan Music |
| KMC PUBLISHING COMPANY |
| Laukat Music Publishing*** |
| Lauren Keiser Music Publishing/Hal Leonard |
| Longitude 91 Publications - Aaron Perrine |
| Luck's Music Library |
| Make Music Publications |
| MakeMusic, Inc.*** |
| Meechan Music |
|
Merlin Patterson Music
|
| Metaphor Music Works |
| Michael Markowski*** |
| Mitropa Music/Hal Leonard |
| Murphy Music Press |
| Musica Propria, Inc. |
| MusicWorks/Hal Leonard |
| Neil A. Kjos Music Company |
| New Music Shelf |
| Oktavian Music/Hal Leonard |
| Opus III Wind Orchestra Publications/C.L. Barnhouse Co. |
| Paul Dooley Music/Hal Leonard |
| Pinkzebra |
| PlayinTime Publications/C.L. Barnhouse Co. |
| Prairie Composers' Collective |
| Print Music Source*** |
| Randall Standridge Music LLC |
| RBC Publications |
| Readymade Music, LLC |
| Ricordi/Hal Leonard |
| RL Compositions |
| Rubank/Hal Leonard |
| RWS Music Company |
| Silverstein Works |
| Smart String Practice |
| SmartChart Music/C.L. Barnhouse Co. |
| Southern Music Company/Hal Leonard |
| Stephenson Music/Hal Leonard |
| Swan Maiden Press |
| Symphonic Dimensions/Hal Leonard |
| T.U.X. People's Music |
| Tapspace Publications, LLC |
| Tempo Press |
| The Hindsley Transcriptions/C.L. Barnhouse Co. |
| Tom Davoren Music |
| TPC Collective |
| Tyler S. Grant |
| Walking Frog Records/C.L. Barnhouse Co. |
| Wilfin Music |
| William Allen Music/C.L. Barnhouse Co. |
| Willow Blossom Music/C.L. Barnhouse Co. |
| Wingert-Jones Publications |
| World Projects |
| Zicato Music |