Walmart de México y Centroamérica, also known as Walmex, is the Mexican and Central American Walmart division. Walmart de México y Centroamérica is Walmart's largest division outside the U.S. as of October 31, 2022, consists of 2,804 stores around the country, including 300 Walmart Supercenter stores and 167 Sam's Club stores. It has been traded in the Mexican Stock Exchange since 1977. Walmart de México y Centroamérica is the biggest retailer in Latin America.

Walmart Inc. is an American multinational retail corporation that operates a chain of hypermarkets, discount department stores, and grocery stores in the United States, headquartered in Bentonville, Arkansas. The company was founded by brothers Sam and James "Bud" Walton in nearby Rogers, Arkansas in 1962 and incorporated under Delaware General Corporation Law on October 31, 1969. It also owns and operates Sam's Club retail warehouses.