| OKVED code | Type | Name of activity type |
|---|
| 43.22 | Core activity | Production of sanitary-engineering works, installation of heating systems and air conditioning systems |
| 16.23 | Additional activity | Manufacture of other builders' carpentry and joinery |
| 25.11 | Additional activity | Manufacture of metal structures, products and their parts |
| All types of activities |
| 25.21 | Additional activity | Production of radiators and boilers for central heating |
| 28.12 | Additional activity | Production of hydraulic and pneumatic power equipment |
| 28.21 | Additional activity | Manufacture of furnaces and furnace burners 2815 |
| 28.25 | Additional activity | Manufacture of industrial cooling and ventilation equipment |
| 28.29 | Additional activity | Production of other machines and equipment of common purpose, not included in other categories |
| 28.99 | Additional activity | Manufacture of machinery and equipment for special purposes, not included in other categories |
| 33.20 | Additional activity | Installation of industrial machinery and equipment |
| 35.11 | Additional activity | Electric power generation, transmission and distribution |
| 35.13 | Additional activity | electricity distribution |
| 35.30 | Additional activity | Production, transmission and distribution of steam and hot water; air conditioning |
| 37.00 | Additional activity | The collection and treatment of waste water |
| 38.32.2 | Additional activity | Other recycling of waste and scrap of iron or steel |
| 38.32.3 | Additional activity | Recycling of waste and scrap of glass |
| 38.32.4 | Additional activity | Recycling of waste and scrap of plastics |
| 38.32.5 | Additional activity | Recycling of other waste and scrap |
| 41.20 | Additional activity | Construction of buildings |
| 43.11 | Additional activity | Demolition of buildings |
| 43.12.3 | Additional activity | Excavation/Dredging |
| 43.21 | Additional activity | Building installation |
| 43.29 | Additional activity | Gas Heater production |
| 43.31 | Additional activity | Plastering works |
| 43.32 | Additional activity | Joinery and carpentry |
| 43.33 | Additional activity | Works on laying of flooring and wall covering |
| 43.34 | Additional activity | Tiling |
| 43.39 | Additional activity | Other construction installation |
| 43.91 | Additional activity | Roofing and Construction Plumber |
| 43.99 | Additional activity | Other specialized construction activities |
| 43.99.1 | Additional activity | Scaffolding construction |
| 46.43 | Additional activity | Wholesale of photographic and optical goods, electrical household appliances and consumer electronics |
| 46.63 | Additional activity | Wholesale trade of machinery for mining, quarrying and construction |
| 46.69 | Additional activity | Wholesale of other machinery and equipment |
| 46.73 | Additional activity | Wholesale trade of wood, construction materials and sanitary equipment |
| 46.74 | Additional activity | Wholesale of hardware, plumbing and heating equipment and supplies |
| 46.90 | Additional activity | Nonspecialised wholesale trade |
| 47.52 | Additional activity | Retail sale of hardware, paints and glass in specialised stores |
| 47.59 | Additional activity | Retail trade of furniture, lighting equipment and other household articles in specialized stores |
| 47.9 | Additional activity | Retail trade not in stores, stalls or markets |
| 47.99 | Additional activity | Other retail sale not in stores, stalls or markets |
| 52.10 | Additional activity | Activity Warehousing and storage |
| 52.24 | Additional activity | Cargo handling |
| 52.29 | Additional activity | Service activities incidental to land transportation |
| 68.10 | Additional activity | Buying and selling of own real estate, buildings and dwellings |
| 68.10.1 | Additional activity | Buying and selling of own residential land, residential buildings and dwellings |
| 68.20 | Additional activity | Renting and operating of own or leased land, buildings and dwellings |
| 68.32 | Additional activity | Management of land, buildings and homes for others |
| 71.1 | Additional activity | Architectural and engineering activities and related technical consultancy |
| 71.12.5 | Additional activity | Activities in the field of hydrometeorology and related areas, environmental monitoring, pollution |
| 71.12.6 | Additional activity | Activities in the field of technical regulation, standardization, metrology, accreditation, product cataloging |
| 71.20 | Additional activity | Technical testing, analysis and certification |