AT&T Inc. is a holding company. The Company offers communications and digital entertainment services in the United States and the world. It operates through four segments: Business Solutions, Entertainment Group, Consumer Mobility and International. The Business Solutions segment includes various categories, including wireless service, fixed strategic services, legacy voice and data services, other services and wireless equipment. The Entertainment Group segment provides video, Internet and voice communication services to residential customers in the United States and the United States territories. The Consumer Mobility segment provides wireless service to consumers, and wireless wholesale and resale subscribers located in the United States or in the United States territories. The International segment provides video entertainment services to residential customers in Latin America, and wireless data and voice communication services to consumer and business customers in Mexico.