Construction of 1.5 million SF office headquarters complex consisting of six buildings: a 41-story tower, a 14-story annex, and four 6-story buildings. The main tower’s gross area is 930,000 SF with 41 floors above grade and two below. The construction design is structural steel framing with concrete slab-on-metal deck and a glass and aluminum curtain wall skin. Approximately 140,000 cubic yards of concrete were placed. Project included a parking structure which was constructed of waffle slab. Designed by renowned architect Phillip Johnson in partnership with John Burgee and has been acclaimed as one of the most important new architectural high-rise styles of its time.