American Tower owns and operates more than 220,000 cell towers throughout the U.S., Asia, Latin America, Europe, and Africa. It also owns and/or operates 28 data centers in 10 U.S. markets after acquiring CoreSite. On its towers, the company has a very concentrated customer base, with most revenue in each market being generated by just the top few mobile carriers. The company operates more than 40,000 towers in the U.S., which accounted for almost half of the company's total revenue in 2023. Outside the U.S., American Tower operates over 75,000 towers in India, almost 50,000 towers in Latin America (dominated by Brazil), 30,000 towers in Europe, and nearly 25,000 towers in Africa. American Tower operates as an REIT.