42.21.Z - Works related to the construction of transmission pipelines and distribution networks
36.00.Z - Extraction, treatment, and supply of water
43.13.Z - Performing excavations and geological-engineering drilling
43.21.Z - Installation of electrical systems
43.22.Z - Installation of plumbing, heating, and air-conditioning systems
43.24.Z - Installation of other building systems
43.99.Z - Other specialized construction works, not classified elsewhere
Opinie dotyczące usług, produktów oraz działalności firmy nie są weryfikowane