McCormick Place is the largest exhibition and meeting facility in North America offering 2.6 million square feet of exhibit s ... pace, 173 meeting rooms, the 4,249-seat Arie Crown Theater, and one of the largest ballrooms in the world. The centerpiece of the McCormick Square campus, McCormick Place is directly attached to the 10,000 seat Wintrust Arena and three hotels totaling over 3,900 onsite rooms and suites. Owned the Metropolitan Pier and Exposition Authority and managed by ASM Global, a worldwide convention management company, McCormick Place attracts close to 3 million visitors each year. read more