SEMPA SYSTEMS GmbH was founded in 2001 and has established itself as a reputable supplier of highest-purity gas and chemical supply systems. Customers include major companies in the semiconductor and LED industries as well as representatives of the photovoltaic and pharma sectors. The company employs 140 people at its sites in Dresden (headquarters) and Hermsdorf (Thuringia).

As of November 1, 2021 SEMPA is owned by the global Meptagon Group, a multidisciplinary engineering and construction company with a presence in Ireland, Central Europe, Israel and India. The merger of Meptagon and SEMPA creates synergies. The combination of high-end process equipment, state-of-the-art design and integration capabilities, and multidisciplinary construction services in various industries offers new development potential and thus the opportunity for greater product diversification.