| Level | Code | Description | Rulings | Reference to isic rev. 4 | This item includes | This item also includes | This item excludes |
|---|---|---|---|---|---|---|---|
| 1 | B | MINING AND QUARRYING | B | ||||
| 2 | 05 | Mining of coal and lignite | 05 | ||||
| 3 | 05.1 | Mining of hard coal | 051 | ||||
| 4 | 05.10 | Mining of hard coal | 0510 | ||||
| 3 | 05.2 | Mining of lignite | 052 | ||||
| 4 | 05.20 | Mining of lignite | 0520 | ||||
| 2 | 06 | Extraction of crude petroleum and natural gas | 06 | ||||
| 3 | 06.1 | Extraction of crude petroleum | 061 | ||||
| 4 | 06.10 | Extraction of crude petroleum | 0610 | ||||
| 3 | 06.2 | Extraction of natural gas | 062 | ||||
| 4 | 06.20 | Extraction of natural gas | 0620 | ||||
| 2 | 07 | Mining of metal ores | 07 | ||||
| 3 | 07.1 | Mining of iron ores | 071 | ||||
| 4 | 07.10 | Mining of iron ores | 0710 | ||||
| 3 | 07.2 | Mining of non-ferrous metal ores | 072 | ||||
| 4 | 07.21 | Mining of uranium and thorium ores | 0721 | ||||
| 4 | 07.29 | Mining of other non-ferrous metal ores | 0729 | ||||
| 2 | 08 | Other mining and quarrying | 08 | ||||
| 3 | 08.1 | Quarrying of stone, sand and clay | 081 | ||||
| 4 | 08.11 | Quarrying of ornamental and building stone, limestone, gypsum, chalk and slate | 0810 | ||||
| 4 | 08.12 | Operation of gravel and sand pits; mining of clays and kaolin | 0810 | ||||
| 3 | 08.9 | Mining and quarrying n.e.c. | 089 | ||||
| 4 | 08.91 | Mining of chemical and fertiliser minerals | 0891 | ||||
| 4 | 08.92 | Extraction of peat | 0892 | ||||
| 4 | 08.93 | Extraction of salt | 0893 | ||||
| 4 | 08.99 | Other mining and quarrying n.e.c. | 0899 | ||||
| 2 | 09 | Mining support service activities | 09 | ||||
| 3 | 09.1 | Support activities for petroleum and natural gas extraction | 091 | ||||
| 4 | 09.10 | Support activities for petroleum and natural gas extraction | 0910 | ||||
| 3 | 09.9 | Support activities for other mining and quarrying | 099 | ||||
| 4 | 09.90 | Support activities for other mining and quarrying | 0990 |