Wojciech Mikołajczyk INŻYNIERIA KOLEJOWA

42.12.Z - Works related to construction of railways and underground railways

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

33.12.Z - Repair and maintenance of machinery

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

43.21.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

46.69.Z - Wholesale of other machinery and equipment

47.78.Z - Other retail sale of new goods in specialised stores

47.79.Z - Retail sale of second-hand goods in specialised stores

47.91.Z - Retail sale via mail order houses or via Internet

58.21.Z - Publishing of computer games

58.29.Z - Other software publishing