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History of AT&T. The history of AT&T dates back to the invention of the telephone. The Bell Telephone Company was established in 1877 by Alexander Graham Bell, who obtained the first US patent for the telephone, and his father-in-law, Gardiner Greene Hubbard. Bell and Hubbard also established American Telephone and Telegraph Company in 1885 ...
AT&T Inc.is an American multinational telecommunicationsholding company headquartered at Whitacre Towerin Downtown Dallas, Texas.[4] It is the world's third-largest telecommunications company by revenueand the second-largest wireless carrier in the United Statesbehind Verizonbut ahead of T-Mobile.[5] As of 2023, AT&T was ranked 13th on the ...
WarnerMedia. Warner Media, LLC ( doing business as WarnerMedia) was an American multinational mass media and entertainment conglomerate owned by AT&T. It was headquartered at the 30 Hudson Yards complex in New York City . It was established as Time Warner in 1990, following a merger between Time Inc. and Warner Communications.
Tele-Communications, Inc. ( TCI) was a cable television provider in the United States, and for most of its history was controlled by Bob Magness and John Malone . The company was started in 1958 in Bozeman, Montana as Western Microwave, Inc. and Community Television, Inc., two firms with common ownership. [1]
BellSouth, LLC (stylized as BELLSOUTH and formerly known as BellSouth Corporation) was an American telecommunications holding company based in Atlanta, Georgia.BellSouth was one of the seven original Regional Bell Operating Companies after the U.S. Department of Justice forced the American Telephone & Telegraph Company to divest itself of its regional telephone companies on January 1, 1984.
AT&T Communications. AT&T Corporation, commonly referred to as AT&T, an abbreviation for its former name, the American Telephone and Telegraph Company, was an American telecommunications company that provided voice, video, data, and Internet telecommunications and professional services to businesses, consumers, and government agencies.
The corporation is the fourth-largest broadcasting and cable television company in the world by revenue (behind AT&T). It is the third-largest pay-TV company, the second-largest cable TV company by subscribers, and the largest home Internet service provider in the United States. In 2023, the company was ranked 51st in the Forbes Global 2000. [9]
Lumen Technologies, Inc. Lumen Technologies, Inc. (formerly CenturyLink) is an American telecommunications company headquartered in Monroe, Louisiana, that offers communications, network services, security, cloud solutions, voice, and managed services. The company has been on the S&P 600 index since being removed from the S&P 500 in March 2023.