Krzysztof Sztandera

42.13.Z - Works related to construction of bridges and tunnels

25.11.Z - Manufacture of metal structures and parts of structures

25.62.Z - Mechanical working of metal elements

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

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

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

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