M-KOL Marcin Boszkiewicz

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

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

43.29.Z - Other construction installation

43.99.Z - Other specialised construction activities not elsewhere classified

71.12.Z - Engineering activities and related technical consultancy

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