Piotr Klahs Usługi Budowlane

43.33.Z - Flooring, wallpapering, and cladding of walls

42.91.Z - Works related to the construction of water engineering objects

42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere

43.32.Z - Installation of building carpentry

43.39.Z - Specialized construction works

43.99.Z - Other specialized construction works, not classified elsewhere