25.11.Z - Manufacture of metal structures and parts of structures
25.12.Z - Manufacture of doors and windows of metal
25.51.Z - Coating of metals
25.52.Z - Heat treatment of metals
25.53.Z - Machining of metals
25.91.Z - Manufacture of steel drums and similar containers
25.99.Z - Manufacture of other fabricated metal products n.e.c.
42.99.Z - Construction of other civil engineering projects n.e.c.
43.22.Z - Plumbing, heat and air-conditioning installation
43.23.Z - Installation of insulation
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.
81.22.B - Other building and industrial facility cleaning not classified elsewhere