| 24.1 | MANUFACTURE OF BASIC IRON AND STEEL AND OF FERRO-ALLOYS |
| Class | The name of the class |
| 24.10 | Manufacture of basic iron and steel and of ferro-alloys |
| 24.2 | MANUFACTURE OF TUBES, PIPES, HOLLOW PROFILES AND RELATED FITTINGS, OF STEEL |
| Class | The name of the class |
| 24.20 | Manufacture of tubes, pipes, hollow profiles and related fittings, of steel |
| 24.3 | MANUFACTURE OF OTHER PRODUCTS OF FIRST PROCESSING OF STEEL |
| Class | The name of the class |
| 24.31 | Cold drawing of bars |
| 24.32 | Cold rolling of narrow strip |
| 24.33 | Cold forming or folding |
| 24.34 | Cold drawing of wire |
| 24.4 | MANUFACTURE OF BASIC PRECIOUS AND OTHER NON-FERROUS METALS |
| Class | The name of the class |
| 24.41 | Precious metals production |
| 24.42 | Aluminium production |
| 24.43 | Lead, zinc and tin production |
| 24.44 | Copper production |
| 24.45 | Other non-ferrous metal production |
| 24.46 | Processing of nuclear fuel |
| 24.5 | CASTING OF METALS |
| Class | The name of the class |
| 24.51 | Casting of iron |
| 24.52 | Casting of steel |
| 24.53 | Casting of light metals |
| 24.54 | Casting of other non-ferrous metals |