AT&T Inc.

AT&T Inc. is a major American multinational telecommunications, media and technology company. Its roots trace back to the original Bell System and the American Telephone & Telegraph Company founded in the late 19th century; the modern AT&T emerged through multiple reorganizations of the Bell companies and the 2005 acquisition of AT&T Corp. by SBC Communications, which then adopted the AT&T name. AT&T operates a large national wireless network, fixed-line and broadband services, and provides pay-TV and streaming offerings to consumers.

In addition to consumer services, AT&T has a substantial enterprise business offering networking, cloud, cybersecurity, IoT, and managed services for businesses and governments. Historically active in research and development through AT&T Labs, the company also develops software and platforms to support network management, security, and developer ecosystems. Some legacy and enterprise software/service names tied to the company include AT&T Connect (colla...