Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,386 pages of information and 233,857 images on early companies, their products and the people who designed and built them.

Thompson Ramo Wooldridge

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1953 Formation of Ramo Woodridge Corporation[1] by 2 engineers who had worked at Hughes Aircraft.

1961 Thompson Ramo Wooldridge formed a JV with GEC to market Thompson's industrial process control systems in the UK; Thompson would contribute experience of applying industrial process control in industry; the new company would be called International Systems Control[2]

1964 Acquired Ross Gear and Tool, world's largest maker of hydrostatic steering systems[3]

1965 Thompson Ramo Wooldridge was renamed TRW of Cleveland and Los Angeles[4]

Maker of valves and power steering pumps

1965 Acquired Clifford Motor Components and Cam Gears

1999 Acquired LucasVarity

2002 Goodrich acquired the former Lucas Aerospace division, maker of flight controls and cargo handling systems[5]

2002 Heavily in debt, TRW Incorporated was acquired by Northrop Grumman[6]

See Also


Sources of Information

  1. The Times, May 09, 1969
  2. The Times, Jun 27, 1961
  3. The Times, Oct 16, 1965
  4. The Times Oct 16, 1965
  5. The Times, June 20, 2002
  6. The Times June 10, 2003