AMX vs CCI Comparison

America Movil is the largest telecom carrier in Latin America, serving about 290 million wireless customers across the region. It also provides fixed-line phone, internet access, and television services in most of the countries it serves. Mexico is the firm's largest market, providing about 35% of service revenue. Movil dominates the Mexican wireless market with more than 60% customer share and also serves about half of fixed-line internet access customers in the country. Brazil, its second most important market, provides about 20% of service revenue. Movil sold its low-margin wireless resale business in the US to Verizon in 2021 and now owns a 1.4% stake in the US telecom giant. The firm also holds a 60% stake in Telekom Austria.

Crown Castle owns and leases roughly 40,000 cell towers in the United States. It also owns more than 90,000 route miles of fiber. It leases space on its towers to wireless service providers, which install equipment on the towers to support their wireless networks. Crown Castle's towers and fiber are predominantly in the largest US cities. The company has a very concentrated customer base, with about 75% of its revenue from the Big Three US mobile carriers. Crown Castle operates as a real estate investment trust. It has announced plans to divest its fiber business, which should be finalized in 2026. After that, Crown will be a stand-alone tower operator.