GRAHAB s.c. Grzegorz Piotrkowski , Hanna Piotrkowska

25.12.Z - Production of metal doors and windows

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

24.33.Z - Production of cold-formed products

24.42.B - Production of aluminum products and aluminum alloys

25.11.Z - Production of metal constructions and their parts

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

25.40.Z - Forging, pressing, stamping, and powder metallurgy

25.51.Z - Coating of metals

25.52.Z - Heat treatment of metals

25.53.Z - Mechanical processing of metal parts

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

43.11.Z - Demolition and destruction of buildings

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

43.33.Z - Flooring, wallpapering, and cladding of walls

43.34.Z - Painting and glazing

43.41.Z - Performing roof structures and coverings

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

52.10.B - Warehousing and storage of other goods

52.21.B - Other support activities for land transport

82.10.Z - Office administrative support activities, including related services