Wentylacja i Klimatyzacja Artur Naczk

25.62.Z - Mechanical working of metal elements

33.12.Z - Repair and maintenance of machinery

33.15.Z - Repair and maintenance of ships and boats

33.19.Z - Repair and maintenance of other equipment

33.20.Z - Installation of industrial machinery and equipment and outfit

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

42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified

43.22.Z - Plumbing, heat and air-conditioning installation

43.29.Z - Other construction installation

43.99.Z - Other specialised construction activities not elsewhere classified