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Telegraphen-Bauanstalt von Siemens & Halske

Siemens AG
Aktiengesellschaft
Traded as SIE
Industry Conglomerate
Founded 12 October 1847; 169 years ago (1847-10-12)
Berlin, Kingdom of Prussia
Founder Werner von Siemens
Headquarters Berlin and Munich, Germany
Area served
Worldwide
Key people
Joe Kaeser
(President and CEO since August 1, 2013)

(Chairman of the Supervisory Board)
Products Power generation technology, industrial and buildings automation, medical technology, railway vehicles, water treatment systems, fire alarms, PLM software
Services Business services, financing, project engineering and construction
Revenue Increase €79.64 billion (2016)
Increase €7.40 billion (2016)
Decrease €5.45 billion (2016)
Total assets Increase €125.72 billion (2016)
Total equity Decrease €34.21 billion (2016)
Number of employees
351,000 (2016)
Divisions Process Industries and Drives, Digital Factory, Energy Management, Healthineers, Mobility, Power and Gas, Power Generation Services, Wind Power and Renewables, Building Technologies
Website www.siemens.com

Siemens AG (German pronun­cia­tion: [ˈziːmɛns]) is a German conglomerate company headquartered in Berlin and Munich and the largest manufacturing and electronics company in Europe with branch offices abroad.

The principal divisions of the company are Industry, Energy, Healthcare, and Infrastructure & Cities, which represent the main activities of the company. The company is a prominent maker of medical diagnostics equipment and its medical health-care division, which generates about 12 percent of the company's total sales, is its second-most profitable unit, after the industrial automation division. The company is a component of the Euro Stoxx 50 . Siemens and its subsidiaries employ approximately 362,000 people worldwide and reported global revenue of around €75.6 billion in 2015 according to their annual report. The von Siemens family remain the largest shareholder with a stake of 6.9% percent.

Siemens & Halske was founded by Werner von Siemens and Johann Georg Halske on 12 October 1847. Based on the telegraph, their 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 12 October.

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, later Sir William Siemens, started to represent the company in London. The London agency became a branch office in 1858. 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.


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