AT&T Inc. Competition

Through its subsidiaries, affiliates, and operating companies, holding company AT&T is the industry-leading provider of wireline voice communications services in the US. Customers in 22 states use AT&T-branded telephone, Internet, and VoIP services; it also sells digital TV under the U-verse brand. Key markets include California, Illinois, and Texas. The company's corporate, government, and public sector clients use its conferencing, managed network, and wholesale communications services. Subsidiary AT&T Mobility is the second-largest US mobile carrier by both sales and subscriptions (after Verizon Wireless). It provides mobile voice and data services to more than 100 million subscribers.