Fixed-line telecommunications
AT&T
Mobile telecommunications:
United States: AT&T Mobility | AT&T Prepaid | Cricket Wireless
Mexico: AT&T | Unefon
Other properties
AT&T Digital Life | AT&T Originals | AT&T Stadium | AT&T Center | MyAT&T
Precedessor companies
Bell Telephone Company | Western Electric Export Corporation | SBC Communications
Former/defunct assets
Advanced Mobile Phone Service | Aio Wireless | Americast | Ameritech | AT&T Broadband | AT&T Information Systems | Bell Atlantic | AT&T Canada | Bell Canada | Bell Labs | BellSouth | Cingular Wireless | Illinois Bell | Liberty Media | Lucent Technologies | MediaOne | NCR Corporation | NYNEX | Pacific Bell | Pacific Telesis | Paradyne | Tele-Communications Inc. | US West | AT&T Wireless Services | WarnerMedia | Xandr | Lionsgate (2%) | Sky México1
1 Joint-venture with Televisa
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