VIV vs THC Comparison

Telefonica Brasil, known as Vivo, is the largest wireless carrier in Brazil with 103 million customers, which is equal to about 38% market share. The firm is strongest in the postpaid business, where it has 72 million customers, or about 40% share of this market. Wireless services and equipment contribute about 70% of total revenue. Vivo is the incumbent fixed-line telephone operator in Sao Paulo state and also owns an extensive fiber network across the country. The firm provides internet access to 8 million households on this network. The firm also sells pay-TV and phone services to its fixed-line customers. Finally, corporate data and IT services, including cloud computing support, contribute about 10% of total revenue.

Tenet Healthcare is a Dallas-based healthcare services organization. It operates acute and specialty hospitals (50 as of December 2025) and hundreds of ambulatory surgery centers and other outpatient facilities across the US, primarily in the South. Through its Conifer segment, Tenet also provides revenue cycle management solutions.