Since its foundation, the company has lived through an eventful history with regard to forms of ownership, affiliation, and the changes of name associated with such developments.
1863 Foundation of the company as a sugar factory
1921 Invention of the Buchholz relay by Max Buchholz
1943 Branch of SIEMENS Magdeburg
1948 VEB Elektromotorenwerk Barleben; VEM (state-owned firm)
1951 VEB Starkstromanlagenbau Magdeburg (state-owned firm)
1951 Start of manufacture of Buchholz relays in Barleben
1965 Start of manufacture of monitoring relays for tap changers in Barleben
1970 VEB Elektrotechnik und Gerätebau Magdeburg; EGEM (state-owned firm)
1980 VEB Kombinat Elektromaschinenbau Dresden; VEB Elektromotorenwerk Barleben; VEM; ELMO (state-owned firm)
1990 VEM Antriebstechnik AG Dresden; Elektromotorenwerk Barleben GmbH; VEM; ELMO (public limited company)
1993 Elektromotoren und Gerätebau Barleben GmbH; EMB (privately-owned company)
2005 Start of manufacture of Buchholz relays (NM series)
2009 New premises in Barleben
2015 Acquisition of the Buchholz relay production line from Koncar, Croatia
In 2009, EMB GmbH moved to its new location in the "Technologiepark Ostfahlen" in Barleben.
A modern company building with a production area of 4,500 m² and an office complex were built on an 18,000 m² site.