PRACE PODWODNE MACIEJ STEFANIAK

42.91.Z - Works related to the construction of water engineering objects

25.11.Z - Production of metal constructions and their parts

25.12.Z - Production of metal doors and windows

25.53.Z - Mechanical processing of metal parts

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

28.29.Z - Manufacture of other general-purpose machinery not elsewhere classified

28.30.Z - Manufacture of agricultural and forestry machinery

33.11.Z - Repair and maintenance of metal products

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