It is composed of nine major structures, which ascends to different heights. All nine towers reaching 50 floors and above the building starts to narrow. Total skyscraper has 110 floors, by magazine Construction Week.

According to the rating, the second place - 102-ezhtazhny Empire State Building in Manhattan (381 meters), which is the highest building in New York after the collapse of the towers of the World Trade Center.

"Troika's highest steel buildings completes Aon Center in Chicago (346 meters). This 88-story skyscraper was built, as Willis Tower, in the early 70-ies," - the report says.

"The same height - 346 meters - up to the tower The Centre in Hong Kong," one of the very few buildings in the world, completely made of steel, "the magazine notes. Two other Chinese skyscrapers, Minsheng Bank Building (331 meters) and the China World Trade Centre III (330 meters), took the list of the sixth and seventh place respectively, omitting only at the fifth "American's" The John Hancock Centre (344 meters). Rounding out the list as the U.S. The Chrysler Building (319 meters), The New York Times Tower (319 meters), and The US Bank Tower (310 meters), "- says the rating.

As previously reported, in 2008 in Philadelphia, going to build the highest skyscraper in the U.S., whose height will be 457 meters.