Guglielmo Giovanni Maria Marconi, 1st Marquis of Marconi was an Italian inventor and electrical engineer, known for his creation of a practical radio wave-based wireless telegraph system. This led to Marconi being credited as the inventor of radio, and he shared the 1909 Nobel Prize in Physics with Karl Ferdinand Braun "in recognition of their contributions to the development of wireless telegraphy".
Vickers was a British engineering company that existed from 1828 until 1999. It was formed in Sheffield as a steel foundry by Edward Vickers and his father-in-law, and soon became famous for casting church bells. The company went public in 1867, acquired more businesses, and began branching out into military hardware and shipbuilding.
Marconi Electronic Systems (MES), or GEC-Marconi as it was until 1998, was the defence arm of General Electric Company (GEC). It was demerged from GEC and bought by British Aerospace (BAe) on 30 November 1999 to form BAE Systems. GEC then renamed itself Marconi plc.
The General Electric Company (GEC) was a major British industrial conglomerate involved in consumer and defence electronics, communications, and engineering. The company was founded in 1886, was Britain's largest private employer with over 250,000 employees in the 1980s, and at its peak in the 1990s, made profits of over £1 billion a year.
BAE Systems plc (BAE) is a British multinational arms, security, and aerospace company based in London, England. It is the largest defence contractor in Europe, and ranked the seventh-largest in the world based on applicable 2021 revenues. As of 2017, it is the biggest manufacturer in Britain. Its largest operations are in the United Kingdom and United States, where its BAE Systems Inc. subsidiary is one of the six largest suppliers to the US Department of Defense. Other major markets include Australia, Canada, Japan, India, Saudi Arabia, Turkey, Qatar, Oman and Sweden, where Saudi Arabia is regularly among its top three sources of revenue. The company was formed on 30 November 1999 by the £7.7 billion purchase of and merger with Marconi Electronic Systems (MES), the defence electronics and naval shipbuilding subsidiary of the General Electric Company plc (GEC), by British Aerospace, an aircraft, munitions and naval systems manufacturer.
The Plessey Company plc was a British electronics, defence and telecommunications company. It originated in 1917, growing and diversifying into electronics. It expanded after World War II by acquisition of companies and formed overseas companies.
George Simpson, Baron Simpson of Dunkeld is a British businessman and former Labour - and later unaffiliated - member of the House of Lords. In the late 1980s and early 1990s Simpson gained a reputation for turning around struggling companies. However, as CEO of Marconi plc he presided over one of the largest collapses in British corporate history.
Alenia Marconi Systems (AMS) was a major European integrated defence electronics company and an equal shares joint venture between BAE Systems and Finmeccanica until its dissolution on 3 May 2005.
Cable & Wireless plc was a British telecommunications company. In the mid-1980s, it became the first company in the UK to offer an alternative telephone service to British Telecom. The company later offered cable TV to its customers, but it sold its cable assets to NTL in 2000. It remained a significant player in the UK telecoms market and in certain overseas markets, especially in the former British colonies of the Caribbean, where it was formerly the monopoly incumbent. It was also the main supplier of communication in the British South Atlantic, including Saint Helena and the Falkland Islands. It was listed on the London Stock Exchange and was a constituent of the FTSE 100 Index.
Ferranti or Ferranti International plc was a UK electrical engineering and equipment firm that operated for over a century from 1885 until it went bankrupt in 1993. The company was once a constituent of the FTSE 100 Index.
The Marconi Company was a British telecommunications and engineering company that did business under that name from 1963 to 1987. Its roots were in the Wireless Telegraph & Signal Company founded by Italian inventor Guglielmo Marconi in 1897, which underwent several changes in name after mergers and acquisitions. The company was a pioneer of wireless long distance communication and mass media broadcasting, eventually becoming one of the UK's most successful manufacturing companies. In 1999, its defence equipment manufacturing division, Marconi Electronic Systems, merged with British Aerospace (BAe) to form BAE Systems. In 2006, financial difficulties led to the collapse of the remaining company, with the bulk of the business acquired by the Swedish telecommunications company, Ericsson.
Siemens Plessey was the name given to the Plessey assets acquired by Siemens in 1989. Today most of these units are part of BAE Systems while some units are now part of EADS.
Marconi Communications, the former telecommunications arm of Britain's General Electric Company plc (GEC), was founded in August 1998 through the amalgamation of GEC Plessey Telecommunications (GPT) with other GEC subsidiaries: Marconi SpA, GEC Hong Kong, and ATC South Africa.
GEC Plessey Telecommunications (GPT) was a British manufacturer of telecommunications equipment, notably the System X telephone exchange. The company was founded in 1988 as a joint venture between GEC and the British electronics, defence and telecommunications company Plessey. The next year, after a joint holding company of GEC and the German conglomerate Siemens AG acquired Plessey, GPT was converted into a 60/40 GEC/Siemens joint venture. The GPT name ceased to be used in the mid-1990s, and in 1998 the company was amalgamated into Siemens Communications.
Thomson Marconi Sonar or TMS was formed in 1996 by the merger of the sonar systems businesses of French defence electronics specialist Thomson-CSF and British company GEC-Marconi after the payment of a balance by the latter. The new company was 50.1% owned by Thomson-CSF and 49.9% by GEC-Marconi. Denis Ranque was appointed as its CEO. The new company would head 3 operational entities:
Tracor was a major North American defense electronics contractor which was acquired by Marconi Electronic Systems (MES), a subsidiary of General Electric Company plc, in 1998. Following the purchase of MES by British Aerospace in November 1999 to form BAE Systems, Tracor became BAE Systems Integrated Defense Solutions. Following a 2005 reorganisation, the company became BAE Systems Sensor Integration, part of Electronics and Integrated Solutions.
Thales Underwater Systems or TUS is a subsidiary of the French defense electronics specialist Thales Group. It was created in 2001 and belongs to its naval division. It specializes in the development and manufacturing of sonar systems for submarines, surface warships and aircraft, as well as communications masts and systems for submarines. Its headquarters are located in Sophia Antipolis, France.
BAE Systems Avionics was the avionics unit of BAE Systems until 2005, at which time it was transferred to SELEX Sensors and Airborne Systems S.p.A.. Selex S&AS became SELEX Galileo in 2008 and from January 2013 traded as Selex ES. It then merged into Leonardo S.p.A.'s land and naval defence electronics division on 1 January 2016.
Telent Technology Services Limited is a British radio, telecommunications, and digital infrastructure systems installation and services provision company. The name was used from 2006 for those parts of the United Kingdom and German services businesses of Marconi Corporation which had not been acquired by Ericsson. Companies with Marconi in their name can trace their ultimate origins, through mergers and takeovers, to The Marconi Company Ltd, founded by Guglielmo Marconi in 1897 as The Wireless Telegraph & Signal Company.
CMC Electronics Inc. is a Canadian avionics manufacturer. The company's main manufacturing facility is located in Montreal, Quebec with additional facilities located in Ottawa, Ontario and Sugar Grove, Illinois.
