30.11.Z - Building of civilian ships and floating structures
20.1 - Manufacture of basic chemicals, fertilisers and nitrogen compounds, plastics and synthetic rubber in primary forms
20.3 - Manufacture of paints, varnishes and similar coatings, printing ink and mastics
24.1 - Manufacture of basic iron and steel and of ferro-alloys
24.2 - Manufacture of tubes, pipes, hollow profiles and related fittings, of steel
24.4 - Manufacture of basic precious and other non-ferrous metals
25.6 - Manufacture of cutlery, tools and general hardware
33.2 - Installation of industrial machinery and equipment
42.2 - Construction of utility projects
42.9 - Construction of other civil engineering projects
