CEMEX S.A.B. de C.V., known as Cemex, is a Mexican multinational building materials company headquartered in San Pedro, near Monterrey, Nuevo León, Mexico. It manufactures and distributes cement, ready-mix concrete and aggregates in more than 50 countries. In 2020 it was ranked as the 5th largest cement company in the world, at 87.09 million tonnes. Lorenzo Zambrano was the chairman and chief executive officer until his death on May 21, 2014. The Board of Directors named Rogelio Zambrano Lozano as chairman, and Fernando A. Gonzalez as CEO. About a quarter of the company's sales come from its Mexico operations, a third from its plants in the U.S., 30% from its operations in Europe, North Africa, the Middle East and Asia, and the rest from its other plants around the world. CEMEX currently operates on four continents, with 64 cement plants, 1,348 ready-mix-concrete facilities, 246 quarries, 269 distribution centers and 68 marine terminals. In the 2021 Forbes Global 2000, Cemex was ranked as the 1178th -largest public company in the world with over US$13 billion in annual sales. Wikipedia