Central Kentucky Youth Orchestras was created in 1947.
Greater Bridgeport Youth Orchestras was created in 1961.
Metropolitan Youth Symphony was created in 1974.
Albuquerque Youth Symphony was created in 1955.
California Youth Symphony was created in 1952.
Sacramento Youth Symphony was created in 1956.
Norwalk Youth Symphony was created in 1956.
Anchorage Youth Symphony was created in 1965.
New Jersey Youth Symphony was created in 1979.
Atlanta Symphony Youth Orchestra was created in 1974.
Florida Symphony Youth Orchestra was created in 1957.
Toronto Symphony Youth Orchestra was created in 1974.