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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 after acquiring CoreSite. On its towers, the company has a very concentrated customer base, with most revenue in each market generated by the top few mobile carriers. The company operates more than 40,000 towers in the US, which accounted for about half of total revenue in 2024. Outside the US, American Tower operates about 48,000 towers in Latin America (dominated by Brazil), 27,000 towers in Europe, and 32,000 towers in Africa. American Tower operates as a REIT.
Motorola Solutions is a leading provider of communications and analytics, primarily serving public safety departments as well as schools, hospitals, and businesses. The bulk of the firm's revenue comes from sales of land mobile radios and radio network infrastructure, but the firm also sells surveillance equipment and dispatch software. Most of Motorola's revenue comes from government agencies, while roughly 25% comes from schools and private businesses. Motorola has customers in over 100 countries and in every state in the United States.