The tallest office buildings in the United States of America

Chicago

The Willis Tower is the tallest skyscraper in Chicago with 108 floors, and besides boasting the highest altitude office in Chicago, also holds the title of the tallest office building in the United States. The Willis Tower, which was previously called the Sears Tower, was the World's tallest building for 25 years and is currently ranked the 4th tallest office building in the world.

New York

Manhattan's iconic Empire State Building is currently the 8th tallest office building in the world, the tallest building in the city of New York and the third tallest in the United States. The Empire State Building has 102 floors and was the first building in the world to have more than 100 stories.

Los Angeles

Los Angeles's tallest office building, the U.S. Bank Tower. is currently the 20th tallest office building in the World. With 73 floors, it is the 10th tallest building in the United States as well as being the tallest office building with a helipad on the roof.

Atlanta

The tallest office building in Atlanta is the Bank of America Plaza with 55 floors, and the 8th tallest building in the United States along with being the tallest building in any of the state capitals of the U.S. The Bank of America Plaza is the 19th tallest office building in the world.

Houston

The JPMorgan Chase Tower is the tallest office building in Houston, with 75 floors, and the 12th tallest in the USA. The JPMorgan Chase Tower, formerly the Texas Commerce Tower, is the tallest 5 sided building and the 23rd tallest office building in the world.

Cleveland

Key Tower is the tallest office building in Cleveland and the 18th tallest skyscraper in the United States with 57 floors, and contains approximately one and a half million square feet of office space. The Key Tower is currently the 33rd tallest office building on the globe.

Philadelphia

The tallest office building in Philadelphia is the Comcast Center, with 58 floors. The Comcast Centre is the 15th tallest building in the United States and the 30th tallest office building in the world.