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 Shell Plaza was created in 1971.
One Arts Plaza was created in 2007.
One Liberty Plaza was created in 1973.
One PNC Plaza was created in 1972.
One Bush Plaza was created in 1959.
One Financial Plaza was created in 1973.
One Penn Plaza was created in 1972.
One Meridian Plaza was created in 1972.
One Prudential Plaza was created in 1955.
One Citizens Plaza was created in 1991.
One Market Plaza was created in 1916.