43.99.Z - Other specialized construction works, not classified elsewhere
42.11.Z - Works related to the construction of roads and highways
42.12.Z - Works related to the construction of railways and underground railways
42.13.Z - Works related to the construction of bridges and tunnels
42.91.Z - Works related to the construction of water engineering objects
Opinie dotyczące usług, produktów oraz działalności firmy nie są weryfikowane