AT&T vs Atos

AT&T Inc. is an American multinational telecommunications corporation, headquartered at Whitacre Tower in downtown Dallas, Texas. AT&T Inc. began its existence as Southwestern Bell Corporation, one of seven Regional Bell Operating Companies created in 1983 in the divestiture of the American Telephone and Telegraph Company following the 1982 United States v. AT&T antitrust lawsuit. Southwestern Bell changed its name to SBC Communications Inc. in 1995. In 2005, SBC purchased former parent AT&T Corp. and took on its branding, with the merged entity naming itself AT&T Inc. and using the iconic AT&T Corp. logo and stock-trading symbol.

Atos SE Atos operates under the brands Atos, Atos Consulting & Technology Services, Worldline, Atos Worldgrid and Atos Healthcare. From 2012 - 2015, Atos Healthcare was part of a serious controversy in the UK over Work Capability Assessment introduced in 2008 to determine who should receive employment and support allowance. Decisions were taken by officials at the DWP using evidence from the assessments carried out by Atos Healthcare.