WORKR UTD. SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

42.11.Z - Works related to the construction of roads and highways

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

43.21.Z - Installation of electrical systems

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

43.29.Z - Specialized construction works

43.31.Z - Plastering

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

43.91.Z - Masonry works