Where is northrop grumman located? Northrop Grumman is located at the address 5509 Luce Ave in Mcclellan, California 95652. They can be contacted via phone at (408) 531-2808 for pricing, hours and directions.Who owns northrop grumman corp? Northrop Grumman Corp (NYSE: NOC) is owned by 83.37% institutional shareholders, 3.89% Northrop Grumman Corp insiders, and 12.74% retail investors. Wesley G. Bush is the largest inpidual Northrop Grumman Corp shareholder, owning 1.64M shares representing 1.02% of the company.When was northrop grumman founded? Northrop Grumman was founded in 1939 by John Northrop, originally operating under the name Northrop Aircraft, specialising in the manufacture of aircraft and aircraft parts.What does northrop grumman mean? Northrop Grumman Corporation is an American global aerospace and defense technology company formed by Northrop's 1994 purchase of Grumman. The company was the fourth-largest defense contractor in the world as of 2010.