Holger Jacoby

Buderus AG manufactures and markets heating equipment. The company has three businesses: heating products, castings and specialty steel products. Heating products include wall-hung boilers, heating elements, new construction heating systems, solar components, radiators and hot water storage tanks. Other products include cast iron pipes, specialty & precision castings, rolled steel products, forged materials and closed-die forgings. It operates subsidiaries mainly in western Europe, but also in eastern Europe and the US. The company is headquartered in Wetzlar, Germany.

Robert Bosch GmbH engages in the development of the engineering and electronics sector. Its business sectors include; mobility solutions, industrial technology, consumer goods, and energy and building technology. The company was founded by Robert Bosch in 1886 and is headquartered in Gerlingen-Schillerhöhe, Germany.

Bosch Thermotechnik GmbH engages in the production of heating equipment. Its product portfolio includes floor-standing and wall-hung heating boilers, heat pumps, solar thermal systems, solid fuel boilers, co-generation plants, and industrial boilers. The company was founded on August 3, 1911 and is headquartered in Wetzlar, Germany.