The Tulsa Expo Center, from 2007 to 2012 also called the QuikTrip Center, is the center of the Tulsa State Fair and one of the largest clearspan buildings in the world. The Expo Center provides 354,000 square feet of column-free space under a cable-suspended roof. The building spans 448,400 total square feet on two levels, connected by side ramps and stairs, allowing for a variety of show floor plans.