A table displays the total amount spent by various companies on lobbying clients, including the US Chamber of Commerce, National Assn of Realtors, Blue Cross/Blue Shield, Northrop Grumman, National Cable & Telecommunications Assn, American Hospital Assn, Comcast Corp, American Medical Assn, Pharmaceutical Rsch & Mrs of America, General Electric, AT&T Inc, Google Inc, Boeing Co, National Assn of Broadcasters, and Lockheed Martin.