| 08.1 | QUARRYING OF STONE, SAND AND CLAY |
| Class | The name of the class |
| 08.11 | Quarrying of ornamental and building stone, limestone, gypsum, chalk and slate |
| 08.12 | Operation of gravel and sand pits; mining of clays and kaolin |
| 08.9 | MINING AND QUARRYING N.E.C. |
| Class | The name of the class |
| 08.91 | Mining of chemical and fertiliser minerals |
| 08.92 | Extraction of peat |
| 08.93 | Extraction of salt |
| 08.99 | Other mining and quarrying n.e.c. |