Meijer Inc. is an American supercenter chain throughout the Midwest, with its corporate headquarters in Walker, Michigan, which is a part of the Grand Rapids metropolitan area. Founded in 1934 as a supermarket chain, Meijer is credited with pioneering the modern supercenter concept in 1962. About half of the company’s 253 stores are located in Michigan, with the other half in Illinois, Indiana, Kentucky, Ohio, and Wisconsin. The chain was ranked No. 19 on Forbes magazine’s 2015 list of “America’s Largest Private Companies” and 19 in Fortune magazine’s 2008 “The 35 largest U.S. private companies”. Supermarket News ranks Meijer 15th on the list of Top 75 U.S. & Canadian Food Retailers & Wholesalers. Based on 2015 revenue, Meijer is the 26th-largest retailer in the United States.