25.11.Z - Manufacture of metal structures and parts of structures
25.21.Z - Manufacture of central heating radiators and boilers
25.29.Z - Manufacture of other tanks, reservoirs and containers of metal
25.61.Z - Treatment and coating of metals
28.25.Z - Manufacture of industrial cooling and ventilation equipment
28.91.Z - Manufacture of machinery for metallurgy
33.11.Z - Repair and maintenance of fabricated metal products
33.20.Z - Installation of industrial machinery and equipment and outfit
42.21.Z - Works related to construction of transmission pipelines and distribution networks
43.11.Z - Demolition
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
43.34.Z - Painting and glazing
43.39.Z - Other building completion and finishing
43.91.Z - Roofing activities
43.99.Z - Other specialised construction activities not elsewhere classified
