43.99.Z - Other specialized construction works, not classified elsewhere
42.12.Z - Works related to the construction of railways and underground railways
42.22.Z - Works related to the construction of telecommunications and electrical lines
43.12.Z - Site preparation for construction
43.22.Z - Installation of plumbing, heating, and air-conditioning systems
43.42.Z - Performing other specialized construction works related to the construction of buildings
Opinie dotyczące usług, produktów oraz działalności firmy nie są weryfikowane