Topsil is a world leading supplier of ultra pure silicon to the global semiconductor industry, founded 1959.

Topsil provides tailor-made silicon wafers to enable customers manufacture energy efficient electronic components. The components are used e.g. for energy transmission in wind turbines, frequency converters in motors, and electricity generation in high speed trains.

Customers include large semiconductor companies as well as research institutions worldwide. End products are applied especially in the transport, energy and the industrial sectors.