Contemporary Youth Orchestra was created in 1995.
Cleveland Orchestra Youth Orchestra was created in 1986.
London Contemporary Orchestra was created in 2008.
CBSO Youth Orchestra was created in 2004.
Delta Youth Orchestra was created in 1971.
Saskatoon Youth Orchestra was created in 1958.
Atlanta Symphony Youth Orchestra was created in 1974.
Colne Valley Youth Orchestra was created in 1980.
Florida Symphony Youth Orchestra was created in 1957.
Somerset County Youth Orchestra was created in 1973.
Ottawa Youth Orchestra Academy was created in 1960.
Gustav Mahler Youth Orchestra was created in 1986.
European Union Youth Orchestra was created in 1978.