The Israel family succeeded in building a large department store from a small family trade. Nathan Israel was a Jewish merchant who founded the N. Israel department store in 1815. The leadership was passed on within the family. Under the leadership of brothers Berthold and Hermann Israel, the department store expanded greatly, employing 1,300 people. They exported and sold travel goods, fashion items, gifts, furniture and cleaning supplies. In 1939, the company was "Aryanized" in the course of National Socialism.

In the newspaper " Der Israelit " of May 7, 1891, the " iron and metalware store E. Harburger & Söhne " is looking for an apprentice.

Dr. Fritz Frank was among other things also the family doctor of Martin Buber living in Heppenheim. A letter testifies to it, in which Martin Buber mentioned of Dr. Frank him a cure to Karlsbad had prescribed. Dr. Fritz Frank emigrated to Palestine in 1935 and settled there as a general practitioner.

The first owner and proprietor of the "Weiß-und Wollwarengeschäft J. Danziger" Isidor Danziger was married to Regina Baumann. In July 1919 he sold his business to Rosa Appel. She continued to run the business under the name "J. Danziger Nachfolger", but sold it to her husband Philipp Mendelsohn already in December 1919. In 1931, the store was still located at Kaiserstraße 9 under the name "J. Danziger Nachfolger".

The owners of the Barasch-Lissmann store for ladies' hats and fashion goods were Hanna Auerbach, née Lissmann, and Willy Mayer. After the marriage of the owner Hanna Lissmann with the Frankfurt Sanitätsrat Dr. Siegmund Auerbach in 1923, Willy Mayer became the manager. In 1933, Willy Mayer took over the store. However, the first boycotts against Jewish stores and businesses took place that same year. In 1938, the store opened under the name Damenhut - Spezialgeschäft Wildt.

The house at Kaiserstraße 6 belonged to the married couple Wilhelm Eisig and Hedwig Eisig, née Strauss. the couple lived in a rented apartment at Schillerstraße 90. in the house at Kaiserstraße 6, Wilhelm Eisig ran a store for women's clothing until his death in 1927. After Wilhelm Eisig's death, his wife rented the store to Adolf Oppenheimer, who from 1931 ran the "Spiers Schuhwarenhaus" there together with his wife Thekla. During the boycotts of Jewish businesses on April 1, 1933, the Salamander shoe store was also included.

The wholesaler David Regensburger from Fürth bought a bankrupt weaving mill in Hof in 1871. In 1876, David Regensburger acquired the site of Grunwald`sche Dampf-Bade- und Waschanstalt and expanded the weaving mill. In 1893, David Regensburger then set up a branch operation with 160 looms in Fürth. In 1917, the weaving mill in Fürth was closed down due to the war. The looms were transferred to Hof. Owners around 1900 were Ad. Max and Alb. Regensburger. In 1921 the company was transformed into a joint stock company under the management of D. Regensburger.

Before Hermann Oppenheimer opened his music store in 1867, he made his living as a music teacher. Music determined his life. After the composition of a polka - mazurka followed in 1858 a harmonium concert in the town hall of Hameln. For the "50th anniversary of the German gymnasts" in 1861 his "Opus 10" was printed. To the sale of music he was also still active as a concert organizer and had many merits for the musical life of Hameln.