London Chamber Group
- Woodwind quintet, clarinet quartet, violin/piano duo, and chamber orchestra playing contemporary music playable by amateur musicians. Photos, repertoire list, invitation to submit compositions.
- http://at.orpheusweb.co.uk/lcg/

Ensemble 21
- (New York) Contemporary classical performance group headed by composer Jason Eckardt and pianist Marilyn Nonken. Scheduled concerts, donations, and brief essay on new music.
- http://www.ensemble21.com/

New Consonant Music
- Resource center for post-modern contemporary music. Information about composers, performers, compositions with graphical and MIDI samples.
- http://www.newconsonantmusic.com/

Boston Musica Viva
- Professional ensemble playing new music by American composers under the direction of Richard Pittman. Board, commissions.
- http://www.bmv.org/

Noise Bar
- Contemporary classical music, and also jazz and blues
- http://www.webcom.com/jimp/

Irish Contemporary Music Centre
- Documents and promotes contemporary Irish concert music.
- http://www.cmc.ie/