AMX vs SRE 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.

Sempra Energy 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. SoCalGas and San Diego Gas & Electric distribute gas to more than 20 million customers, while Oncor serves more than 10 million Texas customers. Sempra Infrastructure partners, of which Sempra holds a controlling ownership, owns and operates liquefied natural gas facilities in North America and infrastructure in Mexico.