AT&T, Exxon Mobil tops list of companies investing in the U.S. By: Dallas Business Journal via Business Journals September 10, 2014 at 06:00 AM EDT AT&T Inc. and Exxon Mobil Corp. were named three of the top domestic companies investing in the U.S. economy... Read More >> Related Stocks: Atlantic Power Corp Duke Energy Enterprise Products Partners LP Exxon Mobil FedEx Corp Ford Motor General Electric General Motors Hess Corp Time Warner Cable Union Pacific Verizon Communications