Siemens AG (German pronunciation: [ˈziːməns]) is a German engineering conglomerate, the largest of its kind in Europe.[2] Siemens has international headquarters located in Berlin, MunichErlangen. The com
pany has three main business sectors: Industry, Energy, and Healthcare; with a total of 15 divisions. and
Worldwide, Siemens and its subsidiaries employ approximately 420,800 people in nearly 190 countries and reported global revenue of 76.651 billion euros for the year of 2009.[3] Siemens AG is listed on the Frankfurt Stock Exchange, and has been listed on the New York Stock Exchange since March 12, 2001.
Founder generation
Siemens & Halske was founded by Werner von Siemens on 12 October 1847. Based on the telegraph, his invention used a needle to point to the sequence of letters, instead of using Morse code. The company, then called Telegraphen-Bauanstalt von Siemens & Halske, opened its first workshop on October 12.
In 1848, the company built the first long-distance telegraph line in Europe; 500 km from Berlin to Frankfurt am Main. In 1850 the founder's younger brother, Carl Wilhelm Siemens started to represent the company in London. In the 1850s, the company was involved in building long distance telegraph networks in Russia. In 1855, a company branch headed by another brother, Carl Heinrich von Siemens, opened in St Petersburg, Russia. In 1867, Siemens completed the monumental Indo-European (Calcutta to London) telegraph line.[4]
In 1881, a Siemens AC Alternator driven by a watermill was used to power the world's first electric street lighting in the town of Godalming, United Kingdom. The company continued to grow and diversified into electric trains and light bulbs. In 1890, the founder retired and left the company to his brother Carl and sons Arnold and Wilhelm.
Turn of the century
Siemens & Halske (S&H) was incorporated in 1897, and then merged parts of its activities with Schuckert & Co., Nuremberg in 1903 to become Siemens-Schuckert.
In 1907 Siemens (Siemens & Halske and Siemens-Schuckert) had 34,324 employees and was the seventh-largest company in the German empire by number of employees.[5] (see List of German companies by employees in 1907)
In 1919, S&H and two other companies jointly formed the Osram lightbulb company. A Japanese subsidiary was established in 1923.
During the 1920s and 1930s, S&H started to manufacture radios, television sets, and electron microscopes.
In 1932, Reiniger, Gebbert & Schall (Erlangen), Phönix AG (Rudolstadt) and Siemens-Reiniger-Veifa mbH (Berlin) merged to form the Siemens-Reiniger-Werke AG (SRW), the third of the so-called parent companies that merged in 1966 to form the present-day Siemens AG.[6]
In the 1930s Siemens constructed the Ardnacrusha Hydro Power station on the River ShannonIrish Free State, and it was a world first for its design. The company is remembered for its desire to raise the wages of its under-paid workers only to be overruled by the Cumann na nGaedheal government. in the then
World War II era
Preceding World War II, Siemens was involved in funding the rise of the Nazi Party and the secret rearmament of Germany. During the second World War, Siemens supported the Hitlerconcentration camps[8][9] to build electric switches for military uses.[10] In one example, almost 100,000 men and women from Auschwitz worked in a Siemens factory inside the camp, supplying the electricity to the camp. regime, contributed to the war effort and participated in the "Nazification" of the economy. Siemens had many factories in and around notorious
Siemens businessman and Nazi Party member John Rabe is credited with saving hundreds of thousands of Chinese lives during the Nanking Massacre. He later toured Germany lecturing on the atrocities committed in Nanking.
In the 1950s and from their new base in Bavaria, S&H started to manufacture computers, semiconductor devices, washing machines, and pacemakers.
In 1966, Siemens & Halske (S&H, founded in 1847), Siemens-Schuckertwerke (SSW, founded in 1903) and Siemens-Reiniger-Werke (SRW, founded in 1932) merged to form Siemens AG.[6]
In 1969, Siemens formed Kraftwerk Union with AEG by pooling their nuclear power businesses.[12]
The company's first digital telephone exchange was produced in 1980. In 1988 Siemens and GECPlessey. Plessey's holdings were split, and Siemens took over the avionics, radar and traffic control businesses — as Siemens Plessey. acquired the UK defence and technology company
In 1985 Siemens bought Allis-Chalmers' interest in the partnership company Siemens-Allis[13] (formed 1978) which supplied electrical control equipment. It was incorporated into Siemens' Energy and Automation division.
In 1987, Siemens reintegrated Kraftwerk Union, the unit overseeing nuclear power business.[12]
In 1991, Siemens acquired Nixdorf Computer AG and renamed it Siemens Nixdorf Informationssysteme AG, in order to produce personal computers.
In October 1991, Siemens acquired the Industrial Systems Division of Texas Instruments, Inc, based in Johnson City, Tennessee. This division was organized as Siemens Industrial Automation, Inc., and was later absorbed by Siemens Energy and Automation, Inc.
In 1997 Siemens agreed to sell the defence arm of Siemens Plessey to British Aerospace (BAe) and a German aerospace company, DaimlerChrysler Aerospace. BAe and DASA acquired the British and German divisions of the operation respectively.
In 1999, Siemens' semiconductor operations were spun off into a new company known as Infineon Technologies. Also, Siemens Nixdorf Informationssysteme AG formed part of Fujitsu Siemens Computers AG in that year. The retail banking technology group became Wincor Nixdorf.
In 2000 Shared Medical Systems Corporation[15] was acquired by the Siemens' Medical Engineering Group,[16] eventually becoming part of Siemens Medical Solutions.
Also in 2000 Atecs-Mannesman was acquired by Siemens, The sale was finalised in April 2001 with 50% of the shares acquired, acquisition, Mannesmann VDO AG merged into Siemens Automotive forming Siemens VDO Automotive AG, Atecs Mannesmann Dematic SystemsMannesmann Demag Delaval merged into the Power Generation division of Siemens AG Other parts of the company were acquired by Robert Bosch GmbH at the same time. merged into Siemens Production and Logistics forming Siemens Dematic AG,
In 2001 Chemtech Group of Brazil was incorporated into the Siemens Group, the company provides industrial process optimisation, consultancy and other engineering services
Also in 2001, Siemens formed joint venture Framatome with Areva SA of France by merging much of their nuclear businesses.
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