68.12.A - Construction projects related to the erection of residential buildings
25.53.Z - Machining of metals
33.17.Z - Repair and maintenance of other civilian transport equipment
33.19.Z - Repair and maintenance of other equipment
41.10.Z - Realization of building projects related to erection of buildings
42.11.Z - Construction of roads and motorways
42.13.Z - Construction of bridges and tunnels
43.21.Z - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.42.Z - Other specialised construction activities in construction of buildings
43.50.Z - Specialised construction activities in civil engineering
43.99.Z - Other specialised construction activities n.e.c.
68.12.B - Construction projects related to the erection of non-residential buildings
68.12.C - Execution of other construction projects
91.30.Z - Conservation, restoration and other support activities for cultural heritage