Jarosław Mazurek - usługi budowlane i wykończeniowe

41.20.Z - Construction work related to the construction of residential and non-residential buildings

43.21.Z - Installation of electrical systems

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

43.31.Z - Plastering

43.32.Z - Installation of building carpentry

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

43.34.Z - Painting and glazing

43.39.Z - Specialized construction works

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