largest manufacturer of military drones
Like Boeing, Lockheed is testing a drone -- the Stalker -- that can stay in the air for days at a time. In 2012, the company brought in revenues of $47.2 billion. 4. Northrop Grumman (NYSE:NOC) Founded only in 1994, Northrop has quickly risen to become one of the top suppliers of military hardware in the world. In 2012, the company sold $1.2 billion worth of drones to South Korea, but revenue has dropped to $25.1 billion in 2012 from $34 billion in 2011.