The national security state has an annual budget of around $1 trillion. Of that huge pile of money, large amounts go to private companies the federal government awards contracts to. Some, like Lockheed Martin or Boeing, are household names, but many of the contractors fly just under the public's radar. What follows are three companies you should know about (because some of them can learn a lot about you with their spy technologies).

L3 is everywhere. Those night-vision goggles the JSOC team in Zero Dark Thirty uses? That's L3. The new machines that are replacing the naked scanners at the airport? That's L3. Torture at Abu Ghraib? A former subsidiary of L3 was recently ordered to pay $5.28 million to 71 Iraqis who had been held in the awful prison.