Birgit Vielhaber-Karthaus

Dortmunder Stadtwerke AG provides urban development and transportation services for the city of Dortmund. The firm, through its subsidiaries, also provides energy and telecommunication services. The company was founded on June 18, 1857 and is headquartered in Dortmund, Germany.

Flughafen Dortmund GmbH is an airport located in Dortmund, Germany that offers affordable flights and parking options. The airport provides easy access to various destinations with short distances and low prices. The German company was founded in 1926 and is currently led by CEO Ludger van Bebber.

Volksbank Mittelhessen eG provides banking and financial services to private and corporate clients. Its products and services include current accounts and credit cards, payments processing, savings and investments, loans and home financing, real estate financing, pension and insurance, financing of start-ups, and corporate succession planning. The company was founded in 1858 and is headquartered in Giessen, Germany.

DOGEWO Dortmunder Gesellschaft für Wohnen mbH is a company based in Dortmund, Germany. DOGEWO21 is a subsidiary of the German company and ultimately controlled by the City of Dortmund. The company's main focus is on providing housing solutions and promoting community engagement through their neighborhood agencies. The company offers various channels for their customers to request repairs or submit inquiries, including mobile, PC, service offices, and phone. DOGEWO21 also provides a wide range of housing options for individuals looking for a new home. The company was founded in 1918 by Hans Strobel and the CEO is Klaus Graniki.

Dortmund Hafen AG is a company based in Dortmund, Germany that was founded in 1895. However, it is known that the German company is ultimately controlled by the City of Dortmund.

Ambulante Caritas-Pflegedienste Hamm gemeinnützige GmbH is a nursing service company based in Hamm, DE. Ambulante Caritas-Pflegedienste Hamm gemeinnützige GmbH provides nursing services. The German company was founded in 2007 and is led by CEO Tobias Berghoff.