Stefan Tidow

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 Stadtreinigungsbetriebe provides waste collection and street cleaning services for the city of Berlin. It also operates disposal sites and recycling centers. The firm was founded in 1951 and is headquartered in Berlin, Germany.