The tower has been the tallest building in the state of Ohio since its completion in 1991 .
Tower also stood as the tallest building in the United States between Chicago and New York City prior to the 2007 completion of the Comcast Center in Philadelphia .
The tower has been the tallest building in the state of Ohio since its completion in 1991 , and it also stood as the tallest building in the United States between Chicago and New York City prior to the 2007 completion of the Comcast Center in Philadelphia .