400 West Market is a skyscraper in Downtown Louisville, Kentucky. The 35-story, 549-foot (167 m) high structure was designed by architect John Burgee with Philip Johnson. It was Kentucky's tallest building when built for $100 million in 1991. Its groundbreaking ceremony occurred in July 1991 with initial occupancy in October 1992 and final occupancy in April 1993. Originally called Capital Holding Building and later, Capital Holding Center, the structure was later renamed Providian Center then Aegon Center as the business was renamed and sold. Aegon left the building in 2010, and the building was renamed 400 West Market in 2014.