LEREN SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

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

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

43.29.Z - Specialized construction works

43.32.Z - Installation of building carpentry

43.34.Z - Painting and glazing

43.91.Z - Masonry works

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