41.00.B - Construction of non-residential buildings
42.1 - Construction of roads and railways
42.2 - Construction of utility projects
42.9 - Construction of other civil engineering projects
43.1 - Demolition and site preparation
43.2 - Electrical, plumbing and other construction installation activities
43.3 - Building completion and finishing
43.4 - Specialised construction activities in construction of buildings
43.5 - Specialised construction activities in civil engineering
43.6 - Intermediation service activities for specialised construction services