Quad City Symphony Orchestra
- Includes concert schedule, store, education, volunteering and photographs.
- http://www.qcsymphony.com/

Chicago Businessmen's Orchestra
- Comprised of business men and women, performing free concerts in the Chicago area: includes rehearsal and concert information, history and MP3 recordings.
- http://www.cborch.org/

Rockford Symphony Orchestra
- Features events calendar and performance information.
- http://www.rockfordsymphony.com/

West Suburban Symphony Orchestra
- Chicagoland: Provides ticket sales, season schedule, children's concert information, and history.
- http://www.westsubsymphony.org/

Lake Shore Symphony Orchestra
- Performance schedule, ticket information, audition information, location, and links.
- http://www.lsso.org/

Belleville Philharmonic Society Symphony Orchestra
- (Belleville, Illinois) Founded in 1867. Schedule, auditions, and ticket information.
- http://bellphil.com/

DuPage Symphony Orchestra
- serving DuPage County, Illinois.
- http://www.dupagesymphony.org/