Leo Steiner

Nova Werke AG develops and manufactures high pressure technology components, systems and machines. It develops and manufactures under the Nova Swiss brand across four product lines and production areas: High-Pressure Technology, Engine Components, Surface Technology and Valve Service. The company was founded in 1921 and is headquartered in Effretikon, Switzerland.

Sarna Kunststoff Holding AG develops, manufactures, and distributes waterproofing membranes for flat and pitched roofs. The company provides air management systems and plastic components for automotive interiors as well as waterproofing material for construction projects. It has production plants in China, the Czech Republic, Germany, Mexico, Switzerland, the UK, and the US. The company was founded in 1979 and is headquartered in Sarnen, Switzerland.