Tulsa, the second largest city in the U.S. state of Oklahoma, is the site of 25 completed high-rises over 200 feet (61 m), 4 of which stand taller than 492 feet (150 m). The tallest building in the city is the BOK Tower, which rises 667 feet (203 m) in Downtown Tulsa and was completed in 1975. It also stands as the 2nd-tallest building in Oklahoma. The second-tallest skyscraper in the city is the Cityplex Central Tower, which rises 648 feet (198 m) and was completed in 1979. The First Place Tower, completed in 1975 and rising 516 feet (157 m), is the third-tallest building in Tulsa. Five of the ten tallest buildings in Oklahoma are located in Tulsa.
The history of skyscrapers in the city began with the construction of Cosden Building in 1918. This building, rising 16 floors, is often regarded as the first skyscraper in Tulsa. Tulsa's first buildings standing more than 492 feet (150 m) tall were the BOK Tower and the First Place Tower, both completed in 1975. There are currently[update] no buildings under construction that are planned to rise at least 197 feet (60 m). Overall, Tulsa's skyline is ranked (based on existing and under construction buildings over 492 feet (150 m) tall) 8th in the Southern United States (after Miami, Houston, Dallas, Atlanta, Sunny Isles Beach, Charlotte and Austin), and 22nd in the United States.