Piotr Szadkowski

71.12.Z - Engineering activities and related technical consultancy

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

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

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

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

43.12.Z - Site preparation

43.29.Z - Other construction installation

43.99.Z - Other specialised construction activities not elsewhere classified

52.21.Z - Service activities incidental to land transportation

64.92.Z - Other credit granting

70.22.Z - Business and other management consultancy activities

71.20.B - Other technical testing and analysis

72.19.Z - Other research and experimental development on natural sciences and engineering

74.90.Z - Other professional, scientific and technical activities not elsewhere classified