30.20.Z - Manufacture of railway locomotives and rolling stock
24.2 - Manufacture of tubes, pipes, hollow profiles and related fittings, of steel
24.3 - Manufacture of other products of first processing of steel
25.1 - Manufacture of structural metal products
25.2 - Manufacture of tanks, reservoirs and containers of metal
25.5 - Treatment and coating of metals
28.1 - Manufacture of general-purpose machinery
28.2 - Manufacture of other general-purpose machinery
28.9 - Manufacture of other special-purpose machinery
30.2 - Manufacture of railway locomotives and rolling stock