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