OSA Group - Piotr Osipowicz

71.11.Z - Architectural activities

31.01.Z - Manufacture of office and shop furniture

31.02.Z - Manufacture of kitchen furniture

31.09.Z - Manufacture of other furniture

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

43.12.Z - Site preparation

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

74.10.Z - Specialised design activities

74.90.Z - Other professional, scientific and technical activities not elsewhere classified

81.29.Z - Other cleaning activities