Hans-Jürgen Cramer

Energieversorgung Sachsen Ost provides electricity services and is ultimately controlled by the City of Dresden.

Vattenfall Europe Berlin AG & Co. KG provides power and heat to Berlin. It operates electricity grid and has generating capacity primarily from combined heat and power plants. It also has telecommunications, water and gas utility interests. It is a subsidiary of Vattenfall Europe AG. It is headquartered in Berlin, Germany.

gut.org gemeinnützige AG engages in the operation and development of an online-based donation platform. The firm seeks and channels the user's financial support to target initiatives and projects. Its focus areas include fundraising events, children development, educational support, animal protection, renewable energy development, and hunger prevention programs. The company was founded in 2007 and is headquartered in Berlin, Germany.

Circadian Solar Ltd. develops concentrated photovoltaic technology and offers turnkey solar systems. It products include CPV systems, technical support and worldwide local construction. The company was founded by Robin Godfrey in 2003 and is headquartered in Tewkesbury, the United Kingdom.

GASAG AG engages in the supply and distribution of electricity and natural gas. It also provides renewable energy solutions and services. The company was founded on January 1, 1847 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.

Vattenfall Europe AG was engaged in the production and distribution of electricity and natural gas. Their business operations include mining and converting domestic lignite coal into electricity, hydroelectric and nuclear power generation, energy transport and trading. The company was founded in 1909 and was headquartered in Berlin, Germany.