A list of the top 200+ defense contractors for the United States. These are some of the largest defense contractors hired by the US Department of Defense. All of the major, private defense contractors have been included. When we look at the enormous budget of the American military, this is where a large portion of that money goes. From fighter jets, to cruise missiles, to the components that protect our internet from cyber attack, these are the biggest companies that build the tools that keep our nation safe from aggressors.