American Tower Corp

American Tower Corporation is one of the largest global real estate investment trusts (REITs), operating as an independent owner, operator, and developer of multitenant communications real estate. The company's portfolio consists of over 148,000 communications tower sites across multiple continents, including the United States, Canada, Latin America, Africa, Asia Pacific, and Europe. In addition to its tower operations, American Tower owns and operates a highly interconnected footprint of U.S. data center facilities through its CoreSite subsidiary, positioning the company at the intersection of wireless infrastructure, cloud computing, and AI-driven demand. The company generates the majority of its revenue from long-term, non-cancellable tenant leases with wireless carriers and other communications providers who colocate equipment on its tower sites. American Tower also earns revenue from data center colocation and interconnection services. The company's business model benefits from secular growth trends in mobile data consumption, 5G network deployments, cloud adoption, and the scaling of AI applications, all of which drive demand for the digital infrastructure it provides. Updated Jul 28, 2026