Otto Kentzler

Handwerksbau AG is a residential company founded in 1936 in Westphalia, Germany. The private company is based in Dortmund, Germany and has roots in the Westphalian and Lippe Chambers of Crafts. The company offers quality apartments at various locations, with a focus on creating a comfortable living environment for its tenants. Handwerksbau has a personal relationship with its tenants, characterized by fairness and humanity.

Kentzler GmbH & Co. KG is a German company that provides roofing and construction plumber services. The private company is based in Dortmund, Germany. The company was founded in 1978.

SIGNAL IDUNA Krankenversicherung aG provides health insurance services. The company is headquartered in Dortmund, Germany.

Part of SIGNAL IDUNA Gruppe, SIGNAL IDUNA Holding AG provides insurance services. The company is based in Dortmund, Germany. The CEO of the German company is Ulrich Leitermann.

Dortmunder Volksbank eG is a commercial bank based in Dortmund, Germany. Dortmunder Volksbank is a commercial bank that provides financial services to individuals and businesses. The German company was founded in 1899 and is currently led by CEO Martin Eul.