Sylvère Leu

3s Industries AG manufactured production lines for solar modules and building integrated solar systems (BIPV). It offered turn key automated production lines. It also offered power generating building materials which can be integrated into the building as roofs, facades or as shading elements. The company was founded on January 21, 2010 and is headquartered in Lyss, Switzerland.

Part of Zhejiang Chint Electrics Co., Ltd., Astronergy Solarmodule GmbH is a German company that manufactures solar panels. The company is based in Frankfurt, Germany. The CEO of the company is Paul Xinhua Ji.

Part of Exista AG, Fabrimex AG is a Swiss company that provides power supply solutions. The company is based in Bubikon, Switzerland. The company was founded in 1947. The CEO is Daniel Rechsteiner. Fabrimex was acquired by Exista AG from zahnarztzentrum.ch AG on July 21, 2023.

ELMESS-Thermosystemtechnik Verwaltungs-GmbH is a leading global manufacturer of electric radiators, heating, monitoring devices, and controls for demanding industrial applications. ELMESS is located in Uelzen, Germany, and was founded in 1945 by Herbert Schweda. The German company specializes in electrical heaters for use in explosion-endowed branches and offers individual solutions for heating tasks. The private company's quality management system has been successfully certified by Bureau Veritas according to the new standard. ELMESS is currently developing a thermal battery and is supported in the project by the European Fund for Regional Development and the State of Lower Saxony. Volker Hinz has been the CEO of the company since 2000.

Suntechnics Fabrisolar AG manufactures, distributes and installs solar cells. It offers solar panels, inverter, substructures, and fall protection. The company was founded by Sylvère Leu and Bill Maag in 1997 and is headquartered in Küsnacht, Switzerland.