Ośrodek Szkolenia Lotniczego Krzysztof Jurkiewicz

85.53.Z - Out-of- school forms of driving education

41.20.Z - Building works related to erection of residential and non-residential buildings

42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified

43.31.Z - Plastering

43.32.Z - Joinery installation

43.33.Z - Floor and wall covering

43.34.Z - Painting and glazing

43.39.Z - Other building completion and finishing

43.91.Z - Roofing activities

43.99.Z - Other specialised construction activities not elsewhere classified