Grumman

The Grumman Aircraft Engineering Corporation, later Grumman Aerospace Corporation, was a leading 20th century U.S. producer of military and civilian aircraft. Founded on December 6, 1929, by Leroy Grumman with Jake Swirbul and William Schwendler, its independent existence ended in 1994 when it was acquired by Northrop Corporation to form Northrop Grumman.