Back to Search Northrop Grumman Corp. Categories Manufacturing Aerospace/Defense Contractor Manufacturers 5000 US 1 North , St. Augustine , FL , 32095 (321) 951-5420 Send Email http://www.northropgrumman.com Share × Print Email Facebook LinkedIn X Pinterest Powered By GrowthZone Tell a friend about Northrop Grumman Corp.Send to FriendCancel