The address of the Chicago Symphony Orchestra is: , Chicago, IL 60604-2596
No, the Chicago Symphony Orchestra is a proper noun, the name of a specific orchestra. All words of a proper noun are capitalized.
Melbourne Symphony Orchestra was created in 1906.
Youngstown Symphony Orchestra was created in 1925.
Tulsa Symphony Orchestra was created in 2005.
Pittsburgh Symphony Orchestra was created in 1895.
Tokyo Symphony Orchestra was created in 1946.
Memphis Symphony Orchestra was created in 1960.
MIT Symphony Orchestra was created in 1884.
Portland Symphony Orchestra was created in 1923.
Brooklyn Symphony Orchestra was created in 1973.
Lansing Symphony Orchestra was created in 1929.