Choral Music Publishers (from ChoralNet) http://choralnet.org/music/displayPublishers.phtml
Music Publishers (from IU) http://www.music.indiana.edu/music_resources/publ.html
Alfred Music http://www.alfred.com/
Alliance Music Publishing http://www.alliancemusic.com/
Annie Bank Music http://www.anniebank.nl/
Boosey & Hawkes http://www.boosey.com/
Carl Fischer http://www.carlfischer.com/
Cherry Lane Music http://www.cherrylane.com/
Earthsongs Music Publishers http://www.earthsongsmus.com/
ECS Publishing - E.C. Schirmer http://www.ecspublishing.com/
G. Schirmer http://www.schirmer.com/
GIA Publications, Inc. http://www.giamusic.com/
Hal Leonard http://www.halleonard.com/
Hope Publishing http://www.hopepublishing.com/
Laurendale Associates http://www.laurendale.com/
Lorenz Music Corp https://www.lorenz.com/
Lux Nova Press
MorningStar Music http://www.MorningStarMusic.com/
The Music of Ruth Elaine Schram http://www.choralmusic.com/
Musica Russica (choral, Russian with original text in phonetics and Cyrillic)
Neil A. Kjos Music Company http://www.kjos.com/
Oxford University Press – Music http://www.oup-usa.org/music/
Santa Barbara Music Publishing http://www.sbmp.com/
Shawnee Press http://www.shawneepress.com/
Theodore Presser Co. http://www.presser.com/
Treble Clef Music http://TrebleClefPress.tripod.com/
Voice of the Rockies http://www.VoiceoftheRockies.com/
World Music Press http://www.worldmusicpress.com/
Yelton Rhodes Music http://www.yrmusic.com/