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American Tower owns and operates about 150,000 wireless towers throughout the US, Asia, Latin America, Europe, and Africa. It also owns and/or operates 30 data centers in 11 US markets through its CoreSite segment. The company's customer base in the tower business is very concentrated, with most revenue in each market generated by the top three or four mobile carriers. The company operates 42,000 towers in the US, which accounted for about half of total revenue in 2025. Outside the US, American Tower operates about 47,000 towers in Latin America (dominated by Brazil), 33,000 towers in Europe, and 28,000 towers in Africa. American Tower operates as a REIT.

Prologis was formed by the 2011 merger of AMB Property and Prologis Trust. The company develops, acquires, and operates around 1.3 billion square feet of high-quality industrial and logistics facilities across the globe. The company also has a strategic capital business segment that has around $60 billion of third-party assets under management. The company is organized into four global divisions (Americas, Europe, Asia, and other Americas) and operates as a real estate investment trust.