AT&T Inc. is an American international corporation holding company, Delaware-registered yet headquartered at Whitacre Tower in Downtown Dallas, Texas. It is the globe's biggest telecom firm, the largest service provider of mobile telephone solutions, as well as the biggest service provider of fixed telephone services in the USA via AT&T Communications. [citation required] Since June 14, 2018, it is additionally the mom and dad business of information media conglomerate WarnerMedia, making it the world's biggest media as well as home entertainment business in terms of income. As of 2020, AT&T was ranked 9 on the Lot of money 500 rankings of the biggest United States companies, with profits of $181 billion.
AT&T started its background as Southwestern Bell Telephone Company, a subsidiary of the Bell Telephone Company, established by Alexander Graham Bell in 1877. The Bell Phone company became the American Telephone and Telegraph Company in 1885 and was later on rebranded as AT&T Company. The 1982 United States v. AT&T antitrust claim caused the divestiture of AT&T Company's ("Ma Bell") subsidiaries or Regional Bell Operating Firms (RBOCs), generally referred to as "Infant Bells", causing a number of independent companies, consisting of Southwestern Bell Company; the last altered its name to SBC Communications Inc. in 1995. In 2005, SBC bought its previous moms and dad AT&T Company and also handled its branding, with the joined entity calling itself AT&T Inc. and using its background, famous logo as well as stock-trading sign. AT&T Inc. got BellSouth in 2006, the last independent Child Bell firm, making its formerly joint venture Cingular Wireless (which had actually acquired AT&T Wireless in 2004) completely possessed and rebranding it as AT&T Flexibility.
The existing AT&T reconstitutes much of the former Bell System, as well as includes 10 of the initial 22 Bell Running Firms in addition to the original long-distance division.