AT&T

AT&T is a global telecommunications conglomerate based in the United States with a market valuation of $198 billion in 2019. The company, based in Dallas, Texas, offers a wide range of products and services to more than 355 million people in 56 major U.S. cities, with aspirations to expand even further.

AT&T, for example, is global communication and digital entertainment services company. Among the company's services and products are wireless communications, data/broadband, and Internet services, digital video services, local and long-distance telephone services, telecommunications equipment, managed networking, and feature film, television, and game production and distribution. The company also owns and manages regional sports television networks.

Founded: 1983

Market Cap: $204.4 billion

Website: www.att.com