THE MART is the largest privately held commercial building in the United States: it encompasses 4.2 million gross square feet, spans two city blocks, rises 25 stories, and is visited by an average of 30,000 people each business day (or nearly 10 million people annually). THE MART serves as the home to Chicago’s most creative and technologically innovative companies, including Motorola Mobility, 1871, PayPal, and MATTER, as well as Fortune 500 companies Conagra Brands, Allstate, Medline Industries, Beam Suntory, Avant, and Grainger. It is also the largest and most important center for design in North America with more than 250 premier design showrooms offering the latest resources for both residential and commercial markets.