Gerhard Kümmel

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.

Bosch Rexroth AG manufactures components and machinery for industrial hydraulics and control technology. It offers assembly technology, electric drives and controls, gear technology, industrial hydraulics, linear motion technology, mobile hydraulics, moulding and casting technologies, tightening and welding technology. The company was founded in 2001 and is headquartered in Lohr am Main, Germany.

aleo solar GmbH engages in the manufacturing and distributes solar modules and systems for the international photovoltaic market. It also supplies other photovoltaic components, such as inverters, mounting systems and storages systems. The firm’s solar modules and system components are used by on-grid private roof-mounted installations, industrial roofs and solar farms. The company was founded by Jakobus Smit, Marius Eriksen, Helmut Bögershausen, Klaas Wachtendorf, and Guido Brüggemann in 2001 and is headquartered in Prenzlau, Germany.

Bosch Solar Energy AG stands for the Solar Energy division of the Bosch Group and, together with its subsidiaries, it is a leading provider of silicon-based photovoltaic products with a consistent focus on product quality. From small-scale plants for single-family homes to finished large-scale photovoltaic projects - Bosch Solar Energy offers high-quality solar cells and modules for photovoltaic power generation. With its high-efficiency crystalline and thin-film products, Bosch Solar Energy focuses very deliberately on the sustainable and environmentally friendly form of silicon-based solar power generation.

TTS Tooltechnic Systems Holding AG engages in the development, production, and distribution of power tools, system accessories, and consumables. The company was founded on January 30, 2001 and is headquartered in Wendlingen am Neckar, Germany.