Walmart's official U.S. shopping site. Wal-Mart is the world's largest retail chain, repeatedly ranked on the Fortune 500 list and selected as the most valuable brand, operating a full range of products, all the items a family needs in this can be bought, also known as "family shopping at once". From clothing, electronics, pharmaceuticals, toys, various household items, household appliances, jewelry and cosmetics, to auto parts and more, everything is available.