Volker Riebel

Techem GmbH engages in the provision of global energy services and solutions. The firm focuses on energy management and resource protection, as well as healthy living and process efficiency in the real estate sector. Its services include heating bill, operating cost accounting, digital and integrated billing, real estate services, drinking water treatment, smoke alarm, consumption analysis, energy performance certification, smart heating, hydraulic balancing, water and heat consumption, including smoke alarm device and smart systems. The company was founded by Friedrich Ott in 1952 and is headquartered in Eschborn, Germany.

BUWOG Holding GmbH engages in the provision of long-term management and development of properties in Austria and Germany. It offers residential properties and apartment buildings. The firm focuses on portfolio asset management; developing and selling properties; and service provision, ranging from property management to marketing. The company was founded on July 5, 2001 and is headquartered in Vienna, Austria.

GEWOBA AG Wohnen & Bauen provides real estate and property development services. The firm offers property management, acquisition, promotions/urban, technology and development services. The company is headquartered in Bremen, Germany.

GdW Bundesverband deutscher Wohnungs & Immobilienunternehmen is a German housing industry association that focuses on housing management, urban development, social city, and construction and building costs. The GdW is based in Berlin, Germany. The association is the largest and politically and socially important merger of regional housing associations and companies in Germany. The GdW presents annual balance reports and hosts events such as the social city award and the annual press conference. The association also offers job opportunities, scholarships, and further education in the housing industry.

BUWOG Group GmbH operates as a service provider in the Austrian residential property market. Its residential sector is covered by asset management, property sales, and property development. The company was founded on August 5, 2010 and is headquartered in Vienna, Austria.