Bach Society Orchestra
- Harvard student-run chamber orchestra. Includes members, performances, competitions and sound clips.
- http://www.hcs.harvard.edu/~bachsoc/about.html

Boston Baroque
- Period instrument ensemble and chamber chorus. CD sales, history, instumentation, concert schedule, artistic highlights, news and reviews.
- http://www.bostonbaroque.org/

New England String Ensemble
- Schedule, ticket sales, history, biographies, reviews, sponsors, outreach, competitions, personnel.
- http://www.newenglandstringensemble.org/

Bristol Chamber Orchestra
- Based in Southeastern Massachusetts. Schedule, history, education, biographies, ticket sales.
- http://www.bristolchamberorchestra.org/

Soria Chamber Players
- (Cambridge, MA) Information, concert schedules.
- http://cela.home.mindspring.com/

Pro Arte Chamber Orchestra of Boston
- Includes ticket information.
- http://www.proarte.org/

Kalistos Chamber Orchestra
- (Boston) Concert schedule, biographies.
- http://www.kalistos.org/

Chameleon Arts Ensemble of Boston
- (MA) Schedule, ticket information, artists, reviews, and mailing list.
- http://www.chameleonarts.org/

Boston Classical Orchestra
- Concentrates on music from the Classical period. Ticket, concert, soloist and general information.
- http://www.bostonclassicalorchestra.org/

Boston Chamber Ensemble
- Includes contact information.
- http://www.mit.edu:8001/people/jcb/BCE/