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20 hours ago · AT&T Inc. (with "AT&T" being an abbreviation for its former name, the American Telephone and Telegraph Company) is an American multinational telecommunications holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. [4] It is the world's fourth-largest telecommunications company by revenue and the largest wireless carrier in ...
- 1885; 138 years ago
- US$120.74 billion (2022)
- 160,700 (Jan. 2023)
20 hours ago · Comcast. Comcast Corporation (simply known as Comcast, and formerly known as American Cable Systems and Comcast Holdings ), [note 1] incorporated and headquartered in Philadelphia, is an American multinational telecommunications and media conglomerate. [8] The corporation is the second-largest broadcasting and cable television company in the ...
- June 28, 1963; 60 years ago, Tupelo, Mississippi, U.S.