Wal-Mart retail stores it is the most widespread in the world. Retail is the sale of goods or services to customers and work through distribution channels to earn profits. Demand is created through the various needs of consumers and markets to meet consumer demands made through the supply chain. Wal-Mart is the first company of its kind in a number of retail branches all over the world in terms of services offered to consumers and very large sales, where the number of staff than two million employees worldwide. Wal-Mart is the largest company in the world in terms of revenue, according to 500 in 2014, grocery sales achieved 51 percent of the world population of the United States Fortune, with estimated revenue at 285 billion $ in 2015. The