Technosan Ilona Gniewczyńska

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

33.11.Z - Repair and maintenance of metal products

33.12.Z - Repair and maintenance of machinery

33.13.Z - Repair and maintenance of electronic and optical devices

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

43.21.Z - Installation of electrical systems

43.23.Z - Installation of insulation

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

43.35.Z - Performing other finishing construction works

43.41.Z - Performing roof structures and coverings

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

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