68.12.A - Construction projects related to the erection of residential buildings
41.00.A - Construction of residential buildings
41.00.B - Construction of non-residential buildings
42.11.Z - Construction of roads and motorways
42.12.Z - Construction of railways and underground railways
42.13.Z - Construction of bridges and tunnels
42.21.Z - Construction of utility projects for fluids
42.22.Z - Construction of utility projects for electricity and telecommunications
42.91.Z - Construction of water projects
42.99.Z - Construction of other civil engineering projects n.e.c.
43.11.Z - Demolition
43.12.Z - Site preparation
43.13.Z - Test drilling and boring
43.21.Z - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.23.Z - Installation of insulation
43.24.Z - Other construction installation
43.31.Z - Plastering
43.32.Z - Joinery installation
43.33.Z - Floor and wall covering
43.34.Z - Painting and glazing
43.35.Z - Other building completion and finishing
43.41.Z - Roofing activities
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.
46.63.Z - Wholesale of mining, construction and civil engineering machinery
46.82.Z - Wholesale of metals and metal ores
46.83.Z - Wholesale of wood, construction materials and sanitary equipment
46.84.Z - Wholesale of hardware, plumbing and heating equipment and supplies
68.11.Z - Buying and selling of own real estate
68.12.B - Construction projects related to the erection of non-residential buildings
68.12.C - Execution of other construction projects
68.32.C - Other real estate market services on a contractual basis not elsewhere classified
74.91.Z - Patent attorney services and marketing activities
74.99.Z - All other professional, scientific and technical activities n.e.c.
79.12.Z - Tour operator activities
80.09.Z - Security activities n.e.c.
81.10.Z - Combined facilities support activities
81.21.Z - General cleaning of buildings
81.22.B - Other building and industrial facility cleaning not classified elsewhere
81.23.B - Other cleaning activities not classified elsewhere
81.30.Z - Landscape service activities
91.30.Z - Conservation, restoration and other support activities for cultural heritage
