Walmart is the number one company on the Fortune 500 list being the largest company by revenue with over $500 billions last year
Walmart is also the largest retailer in the world ahead of Amazon and the largest private employer in the world ahead of McDonald's.
Walmart was founded in 1962 by Sam Walton with the intention of selling high volume products with a small profit margin.
Today, Walmart has over 11 000 stores in 27 countries.