1990s to the mid-1990s, Topsøe opened offices in Moscow and Jaroslavl in Russia, as well as a department in Los Angeles in the US. In 2007, Haldor Topsøe bought back all shares from the Italian contracting company Saipem (which had bought Snamprogetti) for DKK 2.6 billion. That same year, Haldor Topsoe's subsidiary, Topsoe Fuel Cell, initiated the construction of Denmark's first fuel cell production plant that produces high temperature solid oxide fuel cells (also known as SOFC) for environmentally friendly, green electricity and heat for trucks, houses, hospitals and supermarkets. In June 2017, Umicore announced "that is has reached an agreement to acquire the heavy duty diesel and stationary catalyst businesses of Haldor Topsoe for an enterprise value of DKK 900 million (approx. EUR 120 million) plus an earn-out"; this acquisition should be earnings accretive from 2018. In 2022, Haldor Topsoe rebranded to Topsoe. In September 2022, Topsoe won the world’s largest ever hydrogen electrolyser order to provide 5GW of its solid-oxide electrolysers. References External links Company website An Annual Reviews Conversations Interview with Haldor Topsøe Annual Review of Chemical and Biomedical Engineering (2011) Chemical companies established in 1940 Chemical companies of Denmark Companies based in Lyngby-Taarbæk Municipality Danish companies established in 1940