"HYDROS" GRZEGORZ STUS

42.21.Z - Works related to the construction of transmission pipelines and distribution networks

22.21.Z - Manufacture of plastic plates, sheets, tubes, and profiles

24.20.Z - Production of pipes, tubes, closed profiles, and fittings from steel

25.11.Z - Production of metal constructions and their parts

25.12.Z - Production of metal doors and windows

25.21.Z - Production of central heating radiators, steam generators, and boilers

27.33.Z - Manufacture of installation equipment

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

33.11.Z - Repair and maintenance of metal products

33.14.Z - Repair and maintenance of electrical devices

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

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

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

42.22.Z - Works related to the construction of telecommunications and electrical lines

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

43.12.Z - Site preparation for construction

43.13.Z - Performing excavations and geological-engineering drilling

43.21.Z - Installation of electrical systems

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

43.23.Z - Installation of insulation

43.24.Z - Installation of other building systems

43.31.Z - Plastering

43.32.Z - Installation of building carpentry

43.35.Z - Performing other finishing construction works

43.50.Z - Specialized construction works in the field of civil and water engineering

43.91.Z - Masonry works

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

46.83.Z - Wholesale trade of wood, construction materials, and sanitary equipment

46.84.Z - Wholesale trade of metal products and hydraulic and heating equipment and accessories

46.87.Z - Wholesale trade of waste and scrap

47.78.Z - Retail sale of other new products

49.41.Z - Road freight transport

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

71.11.Z - Architectural activities

71.12.A - Engineering activities and related technical consultancy

71.12.B - Engineering activities and related technical consultancy

71.20.B - Inspection and issuing opinions on the technical condition of chimneys and ventilation ducts

71.20.C - Other technical testing and analysis

77.12.Z - Rental and leasing of trucks

77.32.Z - Rental and leasing of construction machinery and equipment

77.39.Z - Rental and leasing of other machinery, equipment, and tangible assets, not elsewhere classified

81.22.B - Other cleaning of buildings and industrial premises, not elsewhere classified