GNTC SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

43.39.Z - Specialized construction works

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

43.32.Z - Installation of building carpentry

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

43.34.Z - Painting and glazing

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

71.12.Z - Engineering activities and related technical consultancy

74.10.Z - Specialized design activities