25.51.Z - Coating of metals
25.11.Z - Manufacture of metal structures and parts of structures
25.53.Z - Machining of metals
33.11.Z - Repair and maintenance of fabricated metal products
33.12.Z - Repair and maintenance of machinery
33.15.Z - Repair and maintenance of civilian ships and boats
33.17.Z - Repair and maintenance of other civilian transport equipment
33.18.Z - Repair and maintenance of military fighting vehicles, ships, boats, air and spacecraft
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
42.22.Z - Construction of utility projects for electricity and telecommunications
42.99.Z - Construction of other civil engineering projects n.e.c.
43.12.Z - Site preparation
43.23.Z - Installation of insulation
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
43.91.Z - Masonry and bricklaying activities
43.99.Z - Other specialised construction activities n.e.c.
68.11.Z - Buying and selling of own real estate
68.12.A - Construction projects related to the erection of residential buildings
68.12.C - Execution of other construction projects
81.22.B - Other building and industrial facility cleaning not classified elsewhere
91.30.Z - Conservation, restoration and other support activities for cultural heritage