The company was founded in 1998 by Svein I. Haaland who has more than 30 years experience within tunnel ventilation and pipes. Today, Sihcon As is basically run by Per Kristian Haaland and Catherine Haaland Granås.

We are situated in Oslo and our main products are equipment for tunnel ventilation in the building phase and pipe systems applied in mining, civil engineering, snowmaking, irrigation and industry.