American Tower Corporation is an American real estate investment trust which owns, develops and operates wireless and broadcast communications infrastructure in several countries. It is headquartered in Boston, Massachusetts. As of December 31, 2025, the company owns 149,686 communications sites, including 42,224 sites in the U.S. and Canada, 27,857 sites in Asia-Pacific and Africa, 32,524 sites in Europe, and 47,081 sites in Latin America. Wikipedia