F.H.U. PIOTR WALCZAK

43.11.Z - Demolition

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

42.11.Z - Works related to construction of roads and motorways

42.91.Z - Works related to construction of water projects

42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified

43.12.Z - Site preparation

43.21.Z - Electrical installation

43.22.Z - Plumbing, heat and air-conditioning 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

49.41.Z - Freight transport by road

81.29.Z - Other cleaning activities

81.30.Z - Landscape service activities