One Nationwide Plaza was created in 1977.
The Nationwide Mutual insurance company are based at One Nationwide Plaza in the state capital of Ohio, Columbus. They have been there since the 1970s.
One Liberty Plaza was created in 1973.
One Financial Plaza was created in 1973.
One Prudential Plaza was created in 1955.
One Citizens Plaza was created in 1991.
One Shell Plaza was created in 1971.
One Penn Plaza was created in 1972.
One Arts Plaza was created in 2007.
One Worldwide Plaza was created in 1989.
One Market Plaza was created in 1916.
One America Plaza was created in 1991.
One Calvert Plaza was created in 1901.