Meijer 's a regional American hypermarket chain based in Walker, Michigan. Founded in 1934 as a supermarket chain, Meijer's credited with pioneering the modern supercenter concept in 1962. About half of the company's 189 locations are located in Michigan, with additional locations in Illinois, Indiana, Ohio, and Kentucky. The chain was ranked No. 10 on Forbes' 2006 list of "America's Largest Private Companies" and 19 in Fortune's 2008 "The 35 largest U.S. private companies". Supermarket News ra… (More on Meijer)