Klaus-Georg Hengstberger

Part of EWD Eisenwerke Verwaltungs GmbH, Düker GmbH is a company based in Karlstadt am Main, Germany. Düker GmbH specializes in providing fire protection with cast iron drainage pipe systems, cast iron installation, and mixed installation. The German company offers approved solutions for practice and the culvert ventilation valve actively protects water supply lines from air accumulation, negative pressure, and pressure surges. Düker GmbH is a reliable partner for flow control and drainage, offering sustainable premium solutions, products, and services for everything related to water. The company also provides job advertisements and services on their website dueker.de. The company was founded in 1913. Oliver Kraxner has been the CEO of the company since 2018.

CI Electronics GmbH engages in the acquisition, holding, and disposal of participating interests in firms, particularly in the electronics sector. The company was founded on July 9, 2018 and is headquartered in Boeblingen, Germany.

Landesbank Baden-Württemberg is a public bank providing all kinds of financial services to retail and corporate clients, savings banks, institutional clients and high net worth client. The company was founded on January 1, 1999 and is headquartered in Stuttgart, Germany.

CI Materials GmbH engages in the acquisition, holding, management, and sale of participations in companies that specialize in chemical and material technology. It also provides management services and related services to its subsidiaries and associated firms. The company was founded on May 11, 2020 and is headquartered in Boeblingen, Germany.