| OKVED code | Type | Name of activity type |
|---|
| 36.00 | Core activity | Abstraction, treatment and distribution of water |
| 35.11 | Additional activity | Electric power generation, transmission and distribution |
| 35.11.1 | Additional activity | Production of electricity |
| All types of activities |
| 35.11.2 | Additional activity | Electricity generation from renewable energy sources and other energy sources with other suppliers for distribution |
| 35.11.3 | Additional activity | Electricity generation without distribution |
| 35.11.4 | Additional activity | Electricity generation from thermal power with other suppliers for distribution |
| 35.12 | Additional activity | Electricity transmission and technological connection to distribution network |
| 35.12.1 | Additional activity | power transmission |
| 35.12.2 | Additional activity | Grid connection to the distribution network |
| 35.13 | Additional activity | electricity distribution |
| 35.14 | Additional activity | Electricity Trade |
| 35.21 | Additional activity | Gas production |
| 35.22 | Additional activity | Gas distribution by pipeline |
| 35.22.1 | Additional activity | Allocation of natural, dry (lean) gas distribution networks |
| 35.22.11 | Additional activity | The distribution of natural, dry (lean) gas distribution networks at tariffs regulated by the state |
| 35.22.12 | Additional activity | The distribution of natural, dry (lean) gas distribution networks at rates not regulated by the state |
| 35.23 | Additional activity | Trade gaseous fuels supplied through distribution networks |
| 35.23.1 | Additional activity | Commercial natural, dry (lean) gas supplied through distribution networks |
| 35.23.11 | Additional activity | Commercial natural, dry (lean) gas supplied through distribution networks at government controlled prices (tariffs) |
| 35.23.12 | Additional activity | Commercial natural, dry (lean) gas supplied through distribution networks on non-state regulated prices (tariffs) |
| 35.30 | Additional activity | Production, transmission and distribution of steam and hot water; air conditioning |
| 35.30.1 | Additional activity | Cogeneration plant with heat produced by other suppliers for distribution |
| 35.30.11 | Additional activity | Production of steam and hot water (thermal energy), thermal power plants |
| 35.30.12 | Additional activity | Production of steam and hot water (thermal energy) nuclear power plants |
| 35.30.13 | Additional activity | Production of steam and hot water (thermal energy) of other power plants and industrial power stations |
| 35.30.14 | Additional activity | Production of steam and hot water (heat power) by boiler |
| 35.30.15 | Additional activity | Manufacture of ice or chilled water (natural water) for cooling |
| 35.30.2 | Additional activity | District heating plant with heat produced by other suppliers for distribution |
| 35.30.3 | Additional activity | Heat produced by cogeneration other suppliers for distribution |
| 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 |
| 35.30.6 | Additional activity | Commercial steam and hot water (thermal energy) |
| 36.00.1 | Additional activity | Distribution of water for drinking and industrial needs |
| 36.00.2 | Additional activity | Distribution of water for drinking and industrial needs |
| 37.00 | Additional activity | The collection and treatment of waste water |
| 38.11 | Additional activity | Collection of non-hazardous waste |
| 38.21 | Additional activity | Treatment and disposal of non-hazardous waste |
| 42.11 | Additional activity | Construction of roads and motorways |
| 42.21 | Additional activity | Construction engineering services for water supply and drainage, gas |
| 42.22 | Additional activity | Construction of utility projects for electricity and telecommunications |
| 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 |
| 42.91.2 | Additional activity | Construction of hydraulic structures |
| 42.99 | Additional activity | Hydraulic |
| 43.12.2 | Additional activity | Specialised construction activities |
| 43.12.3 | Additional activity | Excavation/Dredging |
| 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 |
| 43.99.9 | Additional activity | Ready-house-and part-finished building manufacturer |