The wine wholesaler Seligmann Simon had its origins in 1856 in Gensingen near Bingen and was first operated as a wine commission business. In 1860, the headquarters were moved to Büdesheim near Bingen. Finally, in December 1872, the business was moved to Bingen itself in the stately premises at Schloßbergstraße 1-3 and  with the entry of the three sons Elias, Moritz and Julius Simon as partners in the company, it developed into one of the most important wine wholesalers in the Rhineland wine-growing region.

The Katzauer brothers founded the "Lack- und Farbengroßhandlung Gebrüder Katzauer" in 1896. Initially still a trading business, they began producing their own window putty and various lime paints at the end of the 19th century. The acquisition of a 20-hectare site in Talstrasse in the early 1920s also laid the foundation for the chemical production of inorganic pigments. With this product range, the Bruchsaler Farbenfabrik achieved an international breakthrough.

In 1725 the house was purchased by a Jewish couple. The man was head of the Jewish community. Thus for the 1st time in Linz a Jewish couple, without opposition of the Christian majority, became owners of a property. In 1841 the house became the property of the Jewish community, which bought it. From then on it was used as a community center. The Jewish community center developed here. The prayer room was located on the upper floor, and the children were also taught there. In 1844, the teacher Moses Heilbronn was hired. The Jüd.