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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.

Equinix is one of the leading providers of cloud- and carrier-neutral data centers, offering colocation and interconnection services to hyperscalers and businesses. Equinix operates 270 properties in 77 metropolitan areas across 36 countries, serving over 10,000 customers. About 70% of Equinix's revenue comes from renting physical space, which allows hyperscalers and other clients to store servers, data storage, and networking equipment. The other 30% of revenue is generated primarily through interconnection services (20%) and other managed services (10%).