Sabine von Manteuffel

TRITEC AG engages in the provision of solar and photovoltaic systems solutions. The firm's products include solar modules, inverters, power storage, mounting systems, surveillance and monitoring, planning tool, as well as photovoltaic accessories. It also offers in-house products for planning, designing, and checking the performance of solar and assembly systems. The company was founded by Giorgio Hefti in 1993 and is headquartered in Aarberg, Switzerland.

winsun AG provides sustainable energy solutions. It offers planning and installation of photovoltaic systems, electrical installations, roof renovations, storage systems, e-mobility and research and development services. The firm also provides consultancy, installation, monitoring and maintenance services. The company was founded in 2011 and is headquartered in Steg, Switzerland.