An American global aerospace and defense technology company formed by the 1994 purchase of Grumman by Northrop.
The company was the fourth-largest defense contractor in the world as of 2010, and the largest builder of naval vessels. Northrop Grumman employs over 75,000 people worldwide. Its 2010 annual revenue is reported at $28 billion. Northrop Grumman ranks No. 72 on the 2011 Fortune 500 list of America's largest corporations and ranks in the top ten military-friendly employers. It has its headquarters in West Falls Church, Virginia.