
Dallas, Texas-based AT&T Inc. (T) is one of North America's largest wireless service providers and leading communications service carriers. With a market cap of $170.3 billion, AT&T operates through Communications and Latin America segments and serves over 240 million people as their carrier.
Companies worth $10 billion or more are generally described as "large-cap stocks," AT&T fits this bill perfectly. Its network, products, services, and people create a world where everything works seamlessly and makes life easier.