LESZEK PRODAN

28.11.Z - Manufacture of engines and turbines, except aircraft, vehicle, and motorcycle engines

30.11.Z - Manufacture of civilian ships and floating structures

33.12.Z - Repair and maintenance of machinery

33.15.Z - Repair and maintenance of civilian ships and boats

33.20.Z - Installation of industrial machinery, equipment, and devices

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

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

43.21.Z - Installation of electrical systems

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

43.34.Z - Painting and glazing

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