Washington Metropolitan Philharmonic
- Season schedule, director profile, roster, audition information, sound samples, reviews and online ticketing. Information on the Youth Orchestra, summer series and concerto competition. Formerly the Mount Vernon Orchestra.
- http://www.wmpa.us/

NOVA Manassas Symphony Orchestra
- College and community organization comprised of residents of the greater Manassas area and students at the NVCC Manassas campus. Profile, news, concert schedule and ticket information.
- http://www.novaorchestra.org/

NIH Community Orchestra
- All-volunteer, 60-member ensemble affiliated with the National Institutes of Health performs repertoire ranging from Renaissance through 20th-century works.
- http://www.nihco.org/

Capital City Symphony
- Volunteer ensemble based at the Atlas Performing Arts Center in Northeast offers classic symphonic repertoire, family concerts and educational and historical performances. Formerly the Georgetown Symphony Orchestra.
- http://www.capitalcitysymphony.org/

Washington Pro Musica
- Tax-exempt organization whose purpose is to foster the appreciation of classical music. Sponsors chamber and youth orchestras and a swing band.
- http://www.washingtonpromusica.org/

Pan American Symphony Orchestra
- Community-based orchestra founded to present new and rarely performed Latin American music to the public.
- http://www.panamsymphony.org

McLean Symphony
- Group of 65 musicians drawn from the community, offering a variety of programming throughout the year, including family concerts and small-ensemble recitals.
- http://www.mclean-symphony.org/

JCC Symphony Orchestra
- Sponsored by the Jewish Community Center of Greater Washington. Provides a short history of the orchestra, a sketch of its music director, current and past programs, ticket info, personnel rosters and links.
- http://www.jccso.org/

Friday Morning Music Club
- Volunteer symphony orchestra composed of professional and amateur players, offering four to five free concerts annually.
- http://fmmc.org