AT&T

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AT&T is recognized as one of the leading worldwide providers of IP-based communications services to businesses. The company also has the nation's most reliable 4G LTE network and the largest international coverage of any U.S. wireless carrier, offering the most phones that work in the most countries.

AT&T achieved their initial energy intensity reduction goal in 2013

NAICS 517, Telecommunications

Date of Pledge: November 2009