Group Siemens AG Company Defunct 1847 CE – 1949 CE Capital Berlin Berlin Germany Member Cities Berlin Berlin Germany Capital Great Barrington Berkshire Massachusetts United States Location London Middlesex United Kingdom Location Monroeville Allegheny Pennsylvania United States Location Pittsburgh Allegheny Pennsylvania United States Location Stockholm Stockholms Län Sweden Location People George Westinghouse Lars Magnus Ericsson Nikola Tesla Thomas Edison William Stanley, Jr. Groups Pennsylvania, Commonwealth of (U.S.A.) United States of America (US, USA) (Washington DC) Britain (United Kingdom of Great Britain and Ireland) Sweden and Norway, Union between the Kingdoms of Siemens AG +6 more Topics Industrial Revolution, First Industrial Revolution, Second Depression, Long America's “Gilded Age;” 1876 through 1887 Subjects Origins Technology Watercraft Invention Trade +4 more Commodities Industrial metals Locations Stockholm Stockholms Län Sweden London Middlesex United Kingdom Berlin Berlin Germany Great Barrington Berkshire Massachusetts United States Pittsburgh Allegheny Pennsylvania United States +1 more ← Chicago, Milwaukee, St. Paul and Pacific Railroad British Kaffaria Colony (British Colony) → Cite this entry Moran, J. (n.d.). Siemens AG. History Atlas. Retrieved 21 September 2026, from https://www.historyatlas.com/groups/siemens-ag/ Related events Loading related events…