Martin Billhardt

Dieckell Verwaltungs GmbH provides real estate services. It operates as a real estate agent offering houses and other properties to its customers. The company is headquartered in Bremerhaven, Germany.

Westgrund AG is a holding company, which engages in the acquisition, management, and development or residential properties. It offers tenants on medium to low incomes and affordable living space. The company was founded in 1990 and is headquartered in Berlin, Germany.

Plambeck Neue Energien Solar Technik GmbH produces power and heat from renewable energy sources. The company's products and services include solar cells, homemade solar panels as well as solar power finance, residential solar power and technical installation. It also offers wind, biomass, photovoltaic and solar thermal energy. The company constructs, operates and manages wind farms. Plambeck Neue Energien Solar Technik was founded in March 1995 by Wolfgang von Geldern & Norbert Plambeck and is located in Altlussheim, Germany.

PFISTERER Holding AG operates as holding company through its subsidiaries manufactures energy infrastructure systems. Its products include cable systems, contact systems, overhead lines, railway catenary systems, safety equipment and energy supply system. The company was founded in 1921 and is headquartered in Winterbach, Germany.