Walmart is the world’s largest retailer, offering both physical retail and e-commerce. In 2024, it was America's largest company by revenue. Groceries currently account for about 60% of its sales, but the company also sells a wide range of general merchandise, through Walmart U.S., Walmart International, and Sam's Club warehouse stores. Walmart also offers health care products and pharmacy services. Founded in 1945, the company changed its name from Wal-Mart Stores to Walmart in 2018.| Fortune
Amazon.com was incorporated in 1994; as of 2024, it was the largest e-commerce retailer in the U.S. It is also a player in the grocery business, owing in part to its ownership of the Whole Foods supermarket chain. The company offers cloud services through its Amazon Web Services segment. Amazon develops and produces media content, much of which it streams through its Amazon Prime membership program; in 2021, it acquired the studio Metro-Goldwyn-Mayer (MGM). Amazon also makes and sells electro...| Fortune