How Long has Northrop Grumman been in Business?
Northrop Aircraft Company was incorporated in 1939. It has acquired companies that began operating before that date. Below is a partial list of the major companies acquired since 1994. To read more about our successful integration of nearly 20 marquee companies, visit our Northrop Grumman Heritage section. Major Companies Acquired / Acquisition Date • Grumman (incorporated 1929) / April 1994 • Westinghouse Radio (incorporated 1938) / March 1996 • Logicon Inc. (incorporated 1961) / Aug. 1997 • California Microwave / April 1999 • Ryan Aeronautical / July 1999 • Federal Data Corporation / Oct. 2000 • Sterling’s Federal Systems Group / Oct. 2000 • Litton Industries Inc. (incorporated 1953) / April 2001 • Comptek Research, Inc. / Aug. 2001 • Aerojet General EIG / Oct. 2001 • Newport News (incorporated 1886) / Nov. 2001 • TRW (incorporated 1901) / Dec.
