42.12.Z - Works related to the construction of railways and underground railways
33.20.Z - Installation of industrial machinery, equipment, and devices
41.00.A - Construction work related to the construction of residential buildings
41.00.B - Construction work related to the construction of non-residential buildings
42.11.Z - Works related to the construction of roads and highways
42.13.Z - Works related to the construction of bridges and tunnels
42.21.Z - Works related to the construction of transmission pipelines and distribution networks
42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere
43.11.Z - Demolition and destruction of buildings
43.12.Z - Site preparation for construction
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
43.23.Z - Installation of insulation
43.24.Z - Installation of other building systems
43.31.Z - Plastering
43.32.Z - Installation of building carpentry
43.33.Z - Flooring, wallpapering, and cladding of walls
43.99.Z - Other specialized construction works, not classified elsewhere
81.23.B - Other cleaning services, not elsewhere classified
91.30.Z - Conservation and restoration activities and other supporting activities for cultural heritage
Opinie dotyczące usług, produktów oraz działalności firmy nie są weryfikowane