| OKVED code | Type | Name of activity type |
|---|
| 41.20 | Core activity | Construction of buildings |
| 25.21 | Additional activity | Production of radiators and boilers for central heating |
| 25.29 | Additional activity | Manufacture of other tanks, reservoirs and containers |
| All types of activities |
| 25.30 | Additional activity | Manufacture of steam generators, except central heating boilers |
| 28.11 | Additional activity | Manufacture of engines and turbines, except aircraft, vehicle and cycle engines |
| 28.11.23 | Additional activity | Production of gas turbines, excluding turbo-jets and turbo-prop |
| 28.25.1 | Additional activity | Production of heat exchangers, air-conditioning equipment for industrial refrigeration and freezing equipment, equipment for filtering and treating gas |
| 28.29.1 | Additional activity | Machines and plants for drinking water, industrial water and wastewater treatment, production |
| 28.99.9 | Additional activity | Machinery and equipment for the chemical and allied industries, manufacturing |
| 33.12 | Additional activity | Repair of fabricated metal products, machinery and equipment |
| 33.20 | Additional activity | Installation of industrial machinery and equipment |
| 35.30.4 | Additional activity | Heat through district heating plant with no other suppliers for distribution |
| 35.30.5 | Additional activity | Heat distribution without generating |
| 42.11 | Additional activity | Construction of roads and motorways |
| 42.12 | Additional activity | Construction of railways and underground railways |
| 42.13 | Additional activity | Construction of bridges and tunnels |
| 42.21 | Additional activity | Construction engineering services for water supply and drainage, gas |
| 42.22.1 | Additional activity | Construction of long-distance power lines and communication |
| 42.22.2 | Additional activity | Pipeline, road construction, well construction and sewage treatment plant construction 4220 |
| 42.22.3 | Additional activity | Hunting clubs |
| 42.91 | Additional activity | Construction of water projects |
| 42.99 | Additional activity | Hydraulic |
| 43.11 | Additional activity | Demolition of buildings |
| 43.12.1 | Additional activity | Clearing the construction site |
| 43.12.3 | Additional activity | Excavation/Dredging |
| 43.12.4 | Additional activity | Site preparation for the development and mining of mineral resources, except oil and gas sites |
| 43.13 | Additional activity | exploratory drilling |
| 43.21 | Additional activity | Building installation |
| 43.22 | Additional activity | Production of sanitary-engineering works, installation of heating systems and air conditioning systems |
| 43.29 | Additional activity | Gas Heater production |
| 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 |
| 43.99.7 | Additional activity | Seal against water and moisture |
| 47.41 | Additional activity | Retail trade of computers, peripheral devices to them and software in specialized stores |
| 51.22 | Additional activity | Activity space transport |
| 61.10 | Additional activity | Television broadcasting corporations |
| 62.01 | Additional activity | Computer programming, consultancy and related activities |
| 62.02 | Additional activity | Activities and advisory work in the field of computer technology |
| 63.11.1 | Additional activity | Data processing, hosting and related activities |
| 68.32 | Additional activity | Management of land, buildings and homes for others |
| 69.10 | Additional activity | Legal activities |
| 70.10.1 | Additional activity | Management activities of holding companies |
| 70.10.2 | Additional activity | Activity in holding companies management |
| 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 |
| 72.19 | Additional activity | Research and experimental development on natural sciences and engineering Other |