74.90.Z - Other professional, scientific and technical activities, not elsewhere classified
41.20.Z - Construction work related to the construction of residential and non-residential buildings
42.13.Z - Works related to the construction of bridges and tunnels
43.11.Z - Demolition and destruction of buildings
43.21.Z - Installation of electrical systems
43.22.Z - Installation of plumbing, heating, and air-conditioning systems
43.29.Z - Specialized construction works
43.39.Z - Specialized construction works
43.99.Z - Other specialized construction works, not classified elsewhere
71.12.Z - Engineering activities and related technical consultancy
Opinie dotyczące usług, produktów oraz działalności firmy nie są weryfikowane