[1] While most members of the family initially worked as Reidemeister (metal manufacturers) in the Eifel, beginning in the 18th century, they became founders, shareholders and managers of numerous companies in the textile, paper, sugar and steel industries as well as in packaging technology.
They also formed Schoellerbank, a trading and banking house in Vienna which was founded initially as a wholesaler in 1833.
In addition to their original home towns of Schleiden, Gemünd and Hellenthal in the Eifel, their companies were primarily located in the Düren-Jülich area, the towns of Eitorf, Osnabrück as well as Wrocław, Edelény, Prague, Brno, Zurich, Bregenz, Ternitz, Berndorf, Vienna and other locations worldwide.
[5] However, in 1919, all living family members and their descendants were required to remove the additions Ritter and von from their names if they had accepted citizenship in the Republic of Austria, due to the Law on the Abolition of Nobility of April 1919.
[2][6] The family owned a number of notable castles, palaces and prominent buildings, including:[7]