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NB The Marconi Company should not be confused with Marconi plc, created in 1999 by the renaming of GEC, having divested the Marconi Electronic Systems business. In 2003 this was renamed the Marconi Corporation.
Up to 1963, the term Marconi Co was often used as shorthand for Marconi's Wireless Telegraph Co.
1968 Queen's Award to Industry for Technological Innovation.
1968 Marconi was incorporated in the new divisions of GEC group.
1987 Renamed GEC-Marconi.