A-R Editions
The leading U.S. publisher of modern editions of early music. 
Location:  the Middleton, Wisconsin.

Alamire Music Publishers
Publishes early music (1100-1797) in facsimile and in modern transcription. 
Location:  the Netherlands.

Cantata Editions
Publisher specializing in cantata scores. 
Location:  the United Kingdom.

Corda Music Publications
Publisher of viol music and music from the 16th, 17th, and 18th centuries. 
Location:  the United Kingdom.

J.M. Fuzeau Facsimiles
Publisher of facsimile collections. 
Location:  France.

Hawthorns Music
Publishes editions of early music, music for recorder, and music for organ. 
Location:  Stafford, United Kingdom.

Honeysuckle Music
Sells music for recorders, guitars, and chamber ensembles. 
Location:  St. Paul, Minnesota.

JPH Publications
Publisher of music of the 17th and 18th centuries in facsimile. 
Location:  the United Kingdom.

King's Music
Publisher of facsimiles and editions of early music. 
Location:  the United Kingdom.

Landmark Press
Publisher of music for early instruments and voice. 
Location:  Boulder, Colorado.

Magnamusic Distributors
Holds one of the largest collections of early and contemporary sheet music available in the USA and Canada.  Also a distributor of recorders, recorder accessories, and historical woodwind instruments.  
Location:  Sharon, Connecticut.

Musica Sacra et Profana
Publisher of performance editions of Medieval, Renaissance, and Baroque music for recorder, other early wind instruments, and viols. 
Location:  Oakland, California.

Muziekhandel
Specialist in early music, sends music editions and books on music all around the world. 
Location:  Amsterdam, Netherlands.

PCH Publishing
Publisher of unique modern editions of select Baroque chamber works.

Performers Music
Classical and early sheet music, books, supplies.  A decent selection of recorders, both wood and plastic, all of which you may "try before you buy." 
Location:  Chicago, Illinois.
For more info:  visit or write Performers Music, Fine Arts Building, 410 S. Michigan Avenue, Suite 904, Chicago, Illinois 60605; or phone 312-987-1196.

Prima la musica!
Publisher of performing editions of baroque and classical music. 
Location:  Barcelona, Spain.

Saraband Music
Early music distributor and publisher. 
Location:  Sydney, Australia.

Other
SheetMusicPlus.com, the "world's largest selection of sheet music, songbooks, tabs, methods and more."
SheetMusicNow.com, sheet music available for download, some of it free.
Virtual Sheet Music, classical (including Baroque) sheet music downloads.
freesheetmusic.net, with links to hundreds of sites offering thousands of files.
Worldwide Music International, one of the world's leading sheet music sellers.