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SBA Communications owns a portfolio of about 46,000 wireless towers throughout North America, South America, and Africa. It leases space on its towers to wireless service providers, who install equipment to support their wireless networks. The company has a very concentrated customer base, with most revenue in each market generated by the top three or four mobile carriers. It owns more than 17,000 towers in the US, which account for about 70% of leasing revenue. Internationally, SBA's largest markets are Brazil and Guatemala, where it owns roughly 12,000 and 5,000 towers, respectively. SBA operates as a real estate investment trust.

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.