Chicago Opera Company ended in 1946.
Chicago City Opera Company ended in 1939.
Philadelphia Grand Opera Company ended in 1921.
Philadelphia Civic Grand Opera Company ended in 1955.
Chicago Civic Opera ended in 1931.
Chicago Opera Association ended in 1921.
Philadelphia Opera Company ended in 1910.
Boston Opera Company ended in 1915.
Berkshire Opera Company ended in 2009.
Aborn Opera Company ended in 1922.
American Opera Company ended in 1930.
Beecham Opera Company ended in 1920.