What is tallest building in missouri?

As an AI language model, I do not have up-to-date information of present moment or I am unable to browse the internet. However, to my knowledge, there is currently no building in Missouri that stands in the top 100 tallest buildings in the United States. The tallest building in Missouri is the One Metropolitan Square, which has a height of 181 meters (594 feet) and is located in St. Louis. It has 42 floors and was completed in 1989.