| OKVED code | Type | Name of activity type |
|---|
| 35.30.4 | Core activity | Heat through district heating plant with no other suppliers for distribution |
| 26.51.7 | Additional activity | Manufacturing devices and equipment for automatic regulation or control |
| 26.51.8 | Additional activity | Manufacture of parts of instruments and appliances for navigation, control, measuring, control, testing and other purposes |
| All types of activities |
| 27.9 | Additional activity | Manufacture of other electrical equipment nec |
| 28.25.1 | Additional activity | Production of heat exchangers, air-conditioning equipment for industrial refrigeration and freezing equipment, equipment for filtering and treating gas |
| 28.29.6 | Additional activity | Production of equipment for the treatment of materials by a process involving a change in temperature, not included in other categories |
| 33.12 | Additional activity | Repair of fabricated metal products, machinery and equipment |
| 33.13 | Additional activity | Repair of electronic and optical equipment |
| 33.14 | Additional activity | Repair of electrical equipment |
| 33.2 | Additional activity | Installation of machinery and equipment nec |
| 33.20 | Additional activity | Installation of industrial machinery and equipment |
| 35.11 | Additional activity | Electric power generation, transmission and distribution |
| 35.11.1 | Additional activity | Production of electricity |
| 35.12 | Additional activity | Electricity transmission and technological connection to distribution network |
| 35.13 | Additional activity | electricity distribution |
| 35.14 | Additional activity | Electricity Trade |
| 35.30.14 | Additional activity | Production of steam and hot water (heat power) by boiler |
| 35.30.3 | Additional activity | Heat produced by cogeneration other suppliers for distribution |
| 35.30.5 | Additional activity | Heat distribution without generating |
| 36.00 | Additional activity | Abstraction, treatment and distribution of water |
| 41.2 | Additional activity | Construction of residential and non-residential buildings |
| 41.20 | Additional activity | Construction of buildings |
| 42.11 | Additional activity | Construction of roads and motorways |
| 42.12 | Additional activity | Construction of railways and underground railways |
| 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 |
| 42.99 | Additional activity | Hydraulic |
| 43.11 | Additional activity | Demolition of buildings |
| 43.12 | Additional activity | Site preparation work |
| 43.12.3 | Additional activity | Excavation/Dredging |
| 43.2 | Additional activity | Manufacture of electrical, plumbing and other construction installation works |
| 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 |
| 43.99 | Additional activity | Other specialized construction activities |
| 43.99.1 | Additional activity | Scaffolding construction |
| 43.99.2 | Additional activity | Erection of chimneys and industrial ovens |
| 43.99.4 | Additional activity | Stair company |
| 43.99.7 | Additional activity | Seal against water and moisture |
| 43.99.9 | Additional activity | Ready-house-and part-finished building manufacturer |
| 46.13.1 | Additional activity | Involved in the sale of timber agents |
| 46.6 | Additional activity | Wholesale of other machinery, equipment and supplies |
| 46.72.2 | Additional activity | Wholesale trade of ores, metals and metal stuff |
| 46.74.2 | Additional activity | Wholesale of plumbing and gas, water and heating |
| 49.50 | Additional activity | Electronic products amp; equipment wholesale lt; <10 employees |
| 62.09 | Additional activity | Activities related to the usage of computers and information technology, other |
| 68.32 | Additional activity | Management of land, buildings and homes for others |
| 71.11.1 | Additional activity | Engineering activities and related technical consultancy |
| 71.12.45 | Additional activity | Civil engineers and offices |
| 77.3 | Additional activity | Renting and leasing of other machinery, equipment and tangible goods |
| 77.32 | Additional activity | Renting and leasing of construction machinery and equipment |