7. Wal-MartThe world's 7th most powerful brand, Wal-Mart, is estimated to be worth $36.880 billion.
Wal-Mart Stores is an American public corporation and the world's largest retailer. It is the largest private employer, the largest grocery retailer, and the largest toy seller in the United States.
It was founded by Sam Walton, who opened his first Wal-Mart discount store in Rogers, Arkansas, in 1962. The company was incorporated on October 31, 1969, and listed on the New York Stock Exchange in 1972.
Sam Walton died on April 5, 1992 at the age of 74.
His widow Helen R Walton, daughter Alice L Walton, and sons Jim C Walton, John T Walton and S Robson Walton, each with a personal wealth of $20.5 billion, have all been ranked among the richest Americans by Forbes.
H Lee Scott is Wal-Mart CEO, while S Robson Walton, is the retail giant's chairman.
A customer leaving a Wal-Mart store in Clinton, Maryland. Photograph: Tim Sloan/AFP/Getty Images.