42.91.Z - Construction of water projects
42.12.Z - Construction of railways and underground railways
68.12.B - Construction projects related to the erection of non-residential buildings
68.12.A - Construction projects related to the erection of residential buildings
43.99.Z - Other specialised construction activities n.e.c.
43.50.Z - Specialised construction activities in civil engineering
43.42.Z - Other specialised construction activities in construction of buildings
43.22.Z - Plumbing, heat and air-conditioning installation
43.21.Z - Electrical installation
42.21.Z - Construction of utility projects for fluids
42.13.Z - Construction of bridges and tunnels
25.11.Z - Manufacture of metal structures and parts of structures
42.11.Z - Construction of roads and motorways
41.10.Z - Realization of building projects related to erection of buildings
33.19.Z - Repair and maintenance of other equipment
33.17.Z - Repair and maintenance of other civilian transport equipment
33.12.Z - Repair and maintenance of machinery
33.11.Z - Repair and maintenance of fabricated metal products
25.53.Z - Machining of metals
25.12.Z - Manufacture of doors and windows of metal