41.20.Z - Building works related to erection of residential and non-residential buildings
42.11.Z - Works related to construction of roads and motorways
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.22.Z - Works related to construction of telecommunications and electricity lines
42.91.Z - Works related to construction of water projects
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
43.11.Z - Demolition
43.12.Z - Site preparation
43.22.Z - Plumbing, heat and air-conditioning installation
43.39.Z - Other building completion and finishing
43.91.Z - Roofing activities
43.99.Z - Other specialised construction activities not elsewhere classified
