WELDMETAL MAREK CZARNECKI

25.11.Z - Production of metal constructions and their parts

25.12.Z - Production of metal doors and windows

25.22.Z - Production of other tanks, reservoirs, and metal containers

25.51.Z - Coating of metals

25.53.Z - Mechanical processing of metal parts

25.91.Z - Production of metal containers

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

28.21.Z - Manufacture of stoves, furnaces, and other heating appliances for households

28.22.Z - Manufacture of lifting and handling equipment

28.25.Z - Manufacture of industrial refrigeration, ventilation, and air-conditioning equipment

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

28.99.Z - Manufacture of other special-purpose machinery not elsewhere classified

30.20.Z - Manufacture of railway locomotives and rolling stock

33.11.Z - Repair and maintenance of metal products

33.12.Z - Repair and maintenance of machinery

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

41.00.A - Construction work related to the construction of residential buildings

43.23.Z - Installation of insulation

43.41.Z - Performing roof structures and coverings

43.42.Z - Performing other specialized construction works related to the construction of buildings