Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 136,379 pages of information and 219,138 images on early companies, their products and the people who designed and built them.
Aircraft Builders of the USA.
1994 Acquired Grumman Aircraft Engineering Corporation
1996 Northrop Grumman acquired the defense and electronics business of the Westinghouse Electric Corporation
1997 Acquired Logicon Corporation
1999 Acquired Teledyne Ryan Aeronautical
2001 Acquired Litton Industries
2001 Acquired Newport News Shipbuilding
2001 Acquired TRW Incorporated