Grzegorz Naczk GN Serwis

43.21.Z - Electrical installation

08.11.Z - Quarrying of ornamental and building stone, limestone, gypsum, chalk and slate

08.12.Z - Operation of gravel and sand pits; mining of clays and kaolin

08.91.Z - Mining of minerals for chemical industry and for production of fertilizers

08.92.Z - Extraction of peat

08.99.Z - Other mining and quarrying notelsewhere classified

09.90.Z - Support activities for other mining and quarrying

23.99.Z - Manufacture of abrasive products and others non-metallic mineral products not elsewhere classified

41.10.Z - Realization of building projects related to erection of buildings

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

42.21.Z - Works related to construction oftransmission pipelines and distribution networks

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

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

43.11.Z - Demolition

43.12.Z - Site preparation

43.13.Z - Test drilling and boring

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

46.76.Z - Wholesale of other intermediate products

46.90.Z - Non-specialised wholesale trade

47.19.Z - Other retail sale in non-specialised stores

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

49.41.Z - Freight transport by road