AMX vs SRE Comparison

América Móvil is the largest telecom carrier in Latin America, serving about 335 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. Móvil dominates the Mexican wireless market with about 60% customer share and also serves about half of the country's fixed-line internet access customers. Brazil, its second-most important market, accounts for about 20% of service revenue. Móvil 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 61% stake in Telekom Austria.

Sempra serves one of the largest utility customer bases in the United States. It distributes natural gas and electricity in Southern California and owns 80% of Oncor, a transmission and distribution business in Texas. Sempra Infrastructure Partners, 25% owned by Sempra, owns and operates liquefied natural gas facilities in North America and infrastructure in Mexico.