Orpheus Chamber Orchestra
- (NYC) Schedule, ticket information, history, biographies, recordings, and mailing list.
- http://www.orpheusnyc.org/

New York Philomusica Chamber Music Ensemble
- NYC-based chamber ensemble, holds two concert series, at Merkin Concert Hall (NYC), and in Rockland County, NY. Concerts, touring, discography, press releases, mailing list.
- http://www.nyphilomusica.org

The Park Avenue Chamber Symphony
- Non-professional chamber orchestra in New York City. Concert details, biographies, program notes, recordings.
- http://www.chambersymphony.com

One World Symphony
- (NY) Ensemble specialising in new, culturally diverse, and classical music. Includes a community music calendar and bulletin boards for volunteer instrumentalists/singers.
- http://www.oneworldsymphony.org/

Chamber Orchestra of Science and Medicine
- (New York, NY) Information, history, photos.
- http://www.cosmorchestra.org/

Broadway Bach Ensemble
- New York City-based orchestra offering free concerts on the west side. Programs, program notes, biographies, sound clips, mailing list.
- http://www.broadwaybach.org