University of Oklahoma Horn Studio
- Member list, media, technique editorials for horn and general brass, and contact information.
- http://music.ou.edu/applied/horn/studio.html

The Four Hornsmen of the Apocolypse
- Horn quartet; stite lists repertoire, contact and player information, and other horn resources.
- http://www.4hornsmen.com/

Scottish Vienna Horns
- Scottish ensemble of Vienna horn players; site includes information about the Vienna horn in F.
- http://www.svh.org.uk

Syracuse University Horn Studio
- Information about the Syracuse University Horn Studio, including admissions, lessons, calendar of events, and horn ensemble.
- http://web.syr.edu/~jrgarlan/index.html

Kumamoto Horn Ensemble
- Composer and manufacturer rankings, member list and concert information.
- http://www007.upp.so-net.ne.jp/frenchhorn/

Quadre
- Professional horn quartet; site includes booking info and bios.
- http://www.quadrepoint.com/default.htm

Auburn University Horn Studio
- Technical articles on horn playing, a horn bibliography, horn history, information on the studio, and links.
- http://www.auburn.edu/~schafwr/

Indiana Horn Ensemble
- Concert information, links, pictures, and list of members.
- http://www.indianahorns.org/

Opera North Horn Club
- Music library, picture gallery, members list, and links.
- http://www.hornclub.co.uk/

Columbus Horn Group
- Member list, photographs, rehearsal information, performance schedule, and background information on the group.
- http://www.musicianshaven.com/chg/

American Horn Quartet
- Information about upcoming concerts and master classes.
- http://www.hornquartet.com/