Allison Tower, formerly Anadarko Tower, is a 30-story, 439 feet (133.81 m) skyscraper located in The Woodlands, Texas. It is currently the tallest building in Montgomery County, Texas and the tallest building between Houston and Dallas. It also was the first office complex in The Woodlands, Texas to achieve LEED (Leadership in Energy and Environmental Design) certification by the U.S. Green Building Council as verification that the facility meets the highest green building and performance measures. The Anadarko Tower also has earned the Energy Star Award from the U.S.