Susanne Stumpenhusen

Berliner Wasserbetriebe supplies drinking water. Its core task is to supply residents of Berlin and the surrounding area with drinking water and dispose of their wastewater. It operates water works and also provides sewerage services. Not only does it perform conventional wastewater treatment at its wastewater treatment works, but has also equipped the majority with biological nutrient elimination facilities, to maintain the quality of Berlin's lakes and rivers. The company was founded in 1992 and is headquartered in Berlin, Germany.

Berliner Verkehrsbetriebe (BVG) provides transportation services for the city of Berlin. It operates and maintains the light rail systems, bus lines, and some taxi cabs. The firm was founded in 1969 and is headquartered in Berlin, Germany.

Messe Berlin GmbH engages in organizing trade fairs and congress events. Its services include standard construction service, catering, staffing, online ticketing, virtual marketplace, marketing, events and diplomatic services, and consulting. The company was founded in 1822 and is headquartered in Berlin, Germany.

Investitionsbank Berlin engages in business development, and housing and urban development activities. It offers loan-based and investment-oriented forms of financing. It also provides loans for landlords and investors that are used for new construction, and to purchase properties or for projects to modernize and refurbish existing properties. The company was founded in 1924 and is headquartered in Berlin, Germany.

Wissenschaftszentrum Berlin für Sozialforschung gGmbH is a research center based in Berlin, Germany. The German company conducts research in the field of social sciences and aims to clarify positions and sharpen arguments. The company is ultimately controlled by the Government of Germany. The company was founded in 2019, and the CEO is Ursula Noack.

Deutsche Kinder- und Jugendstiftung GmbH is an organization that works to improve the quality of all-day schools. The non-profit company is based in Berlin, Germany. The German company has a program called "fit nach vorn" that supports young refugees in transitioning to work. The DKJS also has a math research program that helps students regain their joy for mathematics. The CEO of the company is Heike Kahl.

WZB Berlin Social Science Center is a research center that focuses on innovative and user-oriented services in the field of scientific information. The center is based in Berlin, Germany and was founded in 1969. The center has ongoing projects related to the evaluation of the geographical restructuring of companies and industries in production networks after Covid-19. The center also has a Präsidialbereich that provides administrative and service support. The research program of the center is divided into three main areas, including the analysis of long-term changes in political conflicts. The CEO is Ursula Noack.

Elpro GmbH is a growth-oriented, commercially and technologically independent group of companies. They plan, build and supply control and electrical systems for the sectors energy, natural gas, water, mining, cement and transportation. Decades of experience and their highly motivated staff have made them one of the leading medium-sized companies in their specialized markets. The company was founded in 1994 and is headquartered in Berlin, Germany.