By Alanna Petroff and Mark Thompson @CNNMoney May 27, 2015: 7:52 AM ET
6. AT&T
6 of 10
6
Brand value: $76 billion
Sector: Telecom
2012 rank: 8
The Dallas-based telecom giant has grown from its humble beginnings in the 1870s to become an international heavyweight in high-speed Internet, Wi-Fi and wireless communications. Its share price has been rising, and is now hitting levels last seen in early 2008.
Methodology: BrandZ top 100 most valuable global brands ranking for 2013 was commissioned by the communications firm WPP and conducted by research agency Millward Brown. It calculates brand value by using in-depth financial data alongside interviews with over two million consumers from around the world.