Zbigniew Trojnar

41.20.Z - Building works related to erection of residential and non-residential buildings

43.11.Z - Demolition

43.12.Z - Site preparation

43.21.Z - Electrical installation

43.22.Z - Plumbing, heat and air-conditioning installation

43.29.Z - Other construction installation

43.31.Z - Plastering

43.32.Z - Joinery installation

43.33.Z - Floor and wall covering

43.34.Z - Painting and glazing

43.39.Z - Other building completion and finishing

43.91.Z - Roofing activities

43.99.Z - Other specialised construction activities not elsewhere classified

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

46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies

46.75.Z - Wholesale of chemical products

46.76.Z - Wholesale of other intermediate products

46.90.Z - Non-specialised wholesale trade

47.52.Z - Retail sale of hardware, paints and glass in specialised stores

47.53.Z - Retail sale of carpets, rugs, wall and floor coverings in specialised stores

81.21.Z - General cleaning of buildings

81.30.Z - Landscape service activities