41.20.Z - Building works related to erection of residential and non-residential buildings
33.11.Z - Repair and maintenance of fabricated metal products
33.20.Z - Installation of industrial machinery and equipment and outfit
42.11.Z - Works related to construction of roads and motorways
42.21.Z - Works related to construction of transmission pipelines and distribution networks
43.11.Z - Demolition
43.12.Z - Site preparation
43.21.Z - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.31.Z - Plastering
43.33.Z - Floor and wall covering
43.34.Z - Painting and glazing
43.91.Z - Roofing activities
49.42.Z - Removal services