DGX vs VIV Comparison

Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the U.S. The company generates over 95% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,300 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk assessment services, and information technology solutions.

Telefonica Brasil, known as Vivo, is the largest wireless carrier in Brazil with 100 million customers, which is equal to about 39% market share. The firm is strongest in the postpaid business, where it has 65 million customers, or about 41% 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, following the acquisition of GVT, the owner of an extensive fiber network across the country. The firm provides internet access to 7 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 8% of total revenue.