Walmart is an American multinational retail corporation that operates stores in various formats worldwide. It is the world’s largest company by revenue and employs over 2 million people. It currently has more than 11,500 stores in 28 countries, under a total of 72 banners. This includes Asda in the United Kingdom, Seiyu in Japan and Best Price in India. Founded in 1962 by Sam Walton, the company is headquartered in Bentonville, Arkansas.