Marek Chruściński Przedsiębiorstwo Wielobranżowe "Kolstalbud"

42.12.Z - Works related to the construction of railways and underground railways

24.10.Z - Production of pig iron, ferrous alloys, cast iron, and steel, and metal products

25.11.Z - Production of metal constructions and their parts

25.99.Z - Manufacture of other ready-made metal products not elsewhere classified

33.11.Z - Repair and maintenance of metal products

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

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

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

43.11.Z - Demolition and destruction of buildings

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

43.91.Z - Masonry works

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

46.90.Z - Non-specialized wholesale trade

68.10.Z - Real estate activities on own account and development of building projects

68.20.Z - Rental and management of own or leased real estate

71.12.Z - Engineering activities and related technical consultancy