Top 10 contractors lobbying on defense by number of lobbyists, April - June 2015

Contractor Number of lobbyists who lobbied on defense issues Total number of lobbyists
General Dynamics Corporation 70 74
Lockheed Martin Corporation 56 64
Boeing Company 49 64
Raytheon Company 37 38
United Technologies Corporation 34 42
Northrop Grumman Corporation 30 32
Huntington Ingalls Industries 28 28
General Electric Company 21 57
BAE Systems 20 20
Honeywell International 20 26
L-3 Communications 17 19

Source: Center for Public Integrity analysis of lobbying reports filed with the Clerk of the House of Representatives.