Burden Ironworks Office Building was created in 1880.
Church Office Building was created in 1972.
Neutra Office Building was created in 1950.
Central Office Building was created in 1906.
United Office Building was created in 1929.
Failing Office Building was created in 1913.
New Executive Office Building was created in 1969.
Moriah Town Office Building was created in 1875.
Dirksen Senate Office Building was created in 1958.
Pittsburgh State Office Building was created in 1958.
Eisenhower Executive Office Building was created in 1888.
University Place Office Building was created in 1924.
Plymouth Post Office Building was created in 1913.