33.11.Z - Repair and maintenance of fabricated metal products
25.11.Z - Manufacture of metal structures and parts of structures
25.21.Z - Manufacture of central heating radiators and boilers
25.61.Z - Treatment and coating of metals
25.62.Z - Mechanical working of metal elements
33.20.Z - Installation of industrial machinery and equipment and outfit
41.10.Z - Realization of building projects related to erection of buildings
42.13.Z - Works related to construction of bridges and tunnels
42.21.Z - Works related to construction of transmission pipelines and distribution networks
43.21.Z - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.39.Z - Other building completion and finishing
43.99.Z - Other specialised construction activities not elsewhere classified
