Anchorage Youth Symphony was created in 1965.
Anchorage Symphony Orchestra was created in 1946.
California Youth Symphony was created in 1952.
Albuquerque Youth Symphony was created in 1955.
Sacramento Youth Symphony was created in 1956.
Norwalk Youth Symphony was created in 1956.
Metropolitan Youth Symphony was created in 1974.
Atlanta Symphony Youth Orchestra was created in 1974.
Florida Symphony Youth Orchestra was created in 1957.
New Jersey Youth Symphony was created in 1979.
Toronto Symphony Youth Orchestra was created in 1974.
Boston Youth Symphony Orchestras was created in 1958.
San Francisco Symphony Youth Orchestra was created in 1981.