Jazz Composer's Orchestra was created in 1965.
American Composers Orchestra was created in 1977.
Jazz Composers Workshop was created in 1955.
The New Jazz Composers Octet was created in 1997.
San Francisco Composers Chamber Orchestra was created in 2002.
Dallas Jazz Orchestra was created in 1973.
Brussels Jazz Orchestra was created in 1993.
Jazz Orchestra of the Delta was created in 1998.
Neufeld-Occhipinti Jazz Orchestra was created in 1994.
Clayton-Hamilton Jazz Orchestra was created in 1985.
Oxford University Jazz Orchestra was created in 1991.
Widespread Depression Jazz Orchestra was created in 1972.
Ulster Youth Jazz Orchestra was created in 1993.