Zumtobel Lighting Group
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Zumtobel Group (also known as Zumtobel AG) is a company based in Dornbirn, Austria which comprises two sub-groups: Zumtobel Lighting Group, which includes the lighting brands "Zumtobel" and "Thorn"; and TridonicAtco, which manufactures lighting components. Thorn Lighting maintains head offices in Borehamwood, Herts; the other divisions in the group are all headquartered in Dornbirn.
The division with the longest history in the group is Thorn Lighting, which was acquired from Thorn EMI in a leveraged management buy-out. Its integration in Zumtobel was completed in 2000. Thorn Lighting was founded in 1928 by Jules Thorn and Alfred Deutsch.
Zumtobel was founded in 1950 by Dr. Walter Zumtobel as "Elektrogeräte- und Kunstharzpreßwerk W. Zumtobel KG" in Dornbirn. The company produced ballasts for the newly introduced fluorescent light fittings.
Thorn Lighting had lamp factories in Leicester, Mertha Tydfil and Enfield which were sold to GE Lighting. It relocated its factory in Spennymoor, UK, to a new site in 2009 reducing its carbon footprint for manufacturing in the UK by 25%.
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