Maciej Widerowski Projektowanie i Nadzory

71.12.Z - Engineering activities and related technical consultancy

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

09.90.Z - Support activities for other mining and quarrying

23.11.Z - Manufacture of flat glass

23.12.Z - Shaping and processing of flat glass

23.13.Z - Manufacture of hollow glass

23.14.Z - Manufacture of glass fibres

23.19.Z - Manufacture and processing of other glass, including technical glassware

23.20.Z - Manufacture of refractory products

23.61.Z - Manufacture of concrete products for construction purposes

23.62.Z - Manufacture of plaster products for construction purposes

23.63.Z - Manufacture of ready-mixed concrete

23.64.Z - Manufacture of mortars

23.65.Z - Manufacture of fibre cement

23.69.Z - Manufacture of other articles of concrete, plaster and cement

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

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

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

43.21.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

49.10.Z - Passenger rail transport, interurban

49.41.Z - Freight transport by road