Lockheed Martin (LMT) is the largest defense contractor in the world. Lockheed Martin received more than $50 Billions in contracts from the US Federal government last year. They are also the third largest aerospace company in the world after Boeing and Airbus. Lockheed Martin is the third largest contractor of NASA.

Lockheed Martin has 3 business segments: 1. Aeronautics 2. Missiles and Fire Control 3. Rotary and Mission Systems 4. Space