AT&T is a holding company. Through its subsidiaries, the company is a provider of telecommunications, media and technology services. The company's Communications segment provides wireless and wireline telecom, video and broadband services. The company's WarnerMedia segment includes media and entertainment businesses that principally develop, produce and distribute feature films, television content, and other content globally; and operate digital media properties. The company's Latin America segment provides entertainment services in Latin America and wireless services in Mexico. The company's XANDR segment relies on using data from its customer relationships, to develop digital and video advertising that is relevant to consumers.

Verizon Communications is a holding company. Through its subsidiaries, the company provides communications, information and entertainment products and services to consumers, businesses and governmental agencies. The company has two reportable segments, Verizon Consumer Group (Consumer) and Verizon Business Group (Business). The company's Consumer segment provides consumer-focused wireless and wireline communications services and products under the Verizon brand and through wholesale and other arrangements. The company's Business segment provides, among others, wireless and wireline communications services and products, video and data services, corporate networking solutions, security and managed network services.