42.12.Z - Works related to the construction of railways and underground railways
33.20.Z - Installation of industrial machinery, equipment, and devices
42.13.Z - Works related to the construction of bridges and tunnels
42.22.Z - Works related to the construction of telecommunications and electrical lines
42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere
43.21.Z - Installation of electrical systems
43.29.Z - Specialized construction works
96.09.Z - Individual service activities
Opinie dotyczące usług, produktów oraz działalności firmy nie są weryfikowane