| OKVED code | Type | Name of activity type |
|---|
| 35.21 | Core activity | Gas production |
| 01.30 | Additional activity | Operation of tree nurseries and growing of plants for propagation purposes |
| 02.10 | Additional activity | Seed-treatment |
| All types of activities |
| 02.10.1 | Additional activity | Activities nurseries |
| 02.10.11 | Additional activity | Cultivation of planting material of forest plants (seedlings, seedlings) |
| 02.10.19 | Additional activity | Cultivation of other production nurseries |
| 02.10.2 | Additional activity | Activities of other forestry |
| 02.20 | Additional activity | Forestry |
| 02.30 | Additional activity | Collecting and harvesting food forest resources, non-timber forest resources and medicinal plants |
| 02.40 | Additional activity | Provision of forestry and logging services |
| 02.40.1 | Additional activity | Provision of logging services |
| 02.40.2 | Additional activity | Provision of logging services |
| 05.10 | Additional activity | Extraction and enrichment of coal and anthracite |
| 07.10 | Additional activity | Mining and processing of iron ore |
| 07.29 | Additional activity | Extraction of ores other non-ferrous metals |
| 08.11 | Additional activity | Quarrying of ornamental and building stone, limestone, gypsum, chalk and slate |
| 08.11.1 | Additional activity | Quarrying of stone, limestone, gypsum, chalk and slate |
| 08.11.2 | Additional activity | Quarrying of ornamental and building stone, limestone, gypsum, chalk and slate |
| 08.11.3 | Additional activity | Mining of chalk and uncalcined dolomite |
| 08.11.4 | Additional activity | Mining and primary processing of oil shale |
| 08.12 | Additional activity | Operation of gravel and sand pits; mining of clays and kaolin |
| 08.12.1 | Additional activity | Operation of gravel and sand pits; mining of clays and kaolin |
| 08.12.2 | Additional activity | Operation of gravel and sand pits; mining of clays and kaolin |
| 08.91 | Additional activity | Extraction of minerals for chemical industry and mineral fertilizer production |
| 08.92 | Additional activity | Extraction and agglomeration of peat |
| 08.93 | Additional activity | Extraction of salt |
| 08.99 | Additional activity | Other mining and quarrying not elsewhere classified |
| 09.10 | Additional activity | Other mining and quarrying n.e.c. |
| 09.90 | Additional activity | Support activities for petroleum and natural gas extraction |
| 16.10 | Additional activity | Sawmilling and planing of wood |
| 16.10.1 | Additional activity | Production of lumber, except profiled, more than 6 mm thickness; production of untreated railroad and tram sleepers from wood |
| 16.10.2 | Additional activity | Production of lumber, profiled by edge; production of wood paintings, wood flour; production pulpchips |
| 16.10.3 | Additional activity | Manufacture of wood, impregnated or treated with protective or other substances |
| 16.10.9 | Additional activity | Provision of impregnated wood |
| 16.21 | Additional activity | Production of veneer, plywood, wood boards and panels |
| 16.21.1 | Additional activity | Manufacture of veneer sheets and woodbased panels |
| 16.21.11 | Additional activity | Plywood, veneered panels and similar laminated |
| 16.21.12 | Additional activity | Production of chipboard, wood or other ligneous materials |
| 16.21.13 | Additional activity | Production of fibreboard of wood or other ligneous materials |
| 16.21.2 | Additional activity | Manufacture of veneer sheets, plywood veneer for the production of particle board |
| 16.21.22 | Additional activity | Production of pressure-treated wood |
| 19.20 | Additional activity | Production of petroleum products |
| 20.14 | Additional activity | Manufacture of other inorganic basic chemicals |
| 35.22 | Additional activity | Gas distribution by pipeline |
| 35.23 | Additional activity | Trade gaseous fuels supplied through distribution networks |
| 38.11 | Additional activity | Collection of non-hazardous waste |
| 43.13 | Additional activity | exploratory drilling |
| 46.11 | Additional activity | Activity of agents in wholesale trade of agricultural raw materials, live animals, textile raw materials and semi-finished goods |
| 46.12 | Additional activity | Activities in wholesale trade of fuel, ores, metals and industrial chemicals Agents |
| 46.12.1 | Additional activity | Activity of agents in wholesale trade of solid, liquid and gaseous fuels and related products |
| 46.12.2 | Additional activity | The activities in wholesale trading of ores and metal in primary forms |
| 46.12.21 | Additional activity | Activities in wholesale trading ores agents |