Inga Malin Samuelsson

Ductmann Ltd. manufactures and distributes ductwork and associated fittings. Its products include spirals and fittings, fans, dampers, flexible duct, flange joints, silencers and filters. The company was founded in 1969 and is headquartered in Bilston, the United Kingdom.

Lindab Sp zoo engages in the development, manufacture and distribution of ventilation and construction products. Its offer includes ventilation products, construction products, solutions for construction and complete construction systems. The company was founded by Marek Perendyk and Wojciech Jakrzewski in 1992 and is headquartered in Wieruchow, Poland.