| OKVED code | Type | Name of activity type |
|---|
| 35.30.4 | Core activity | Heat through district heating plant with no other suppliers for distribution |
| 22.19.3 | Additional activity | Production of pipes, tubes, hoses and hoses of vulcanised rubber |
| 24.20 | Additional activity | Production of steel pipes, hollow profiles and fittings |
| All types of activities |
| 24.51 | Additional activity | Castings iron |
| 25.11 | Additional activity | Manufacture of metal structures, products and their parts |
| 25.21 | Additional activity | Production of radiators and boilers for central heating |
| 25.29 | Additional activity | Manufacture of other tanks, reservoirs and containers |
| 25.30 | Additional activity | Manufacture of steam generators, except central heating boilers |
| 25.30.1 | Additional activity | Manufacture of steam generators and their parts |
| 25.50 | Additional activity | Forging, pressing, stamping and rollforming of metal; powder metallurgy |
| 25.61 | Additional activity | The processing of metals and coating |
| 25.62 | Additional activity | Treatment and coating of metals |
| 25.73 | Additional activity | Manufacture of tools |
| 27.12 | Additional activity | Manufacture of electricity distribution and control apparatus |
| 28.12 | Additional activity | Production of hydraulic and pneumatic power equipment |
| 28.14 | Additional activity | Manufacture of other pumps and compressors |
| 28.22.9 | Additional activity | Manufacture of lifting, conveying and handling equipment |
| 28.25 | Additional activity | Manufacture of industrial cooling and ventilation equipment |
| 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 | Additional activity | Production of other machines and equipment of common purpose, not included in other categories |
| 28.30.8 | Additional activity | Manufacture of agricultural machinery and equipment |
| 28.41 | Additional activity | Manufacture of metal-working equipment |
| 30.20 | Additional activity | Manufacture of railway locomotives and rolling stock |
| 30.20.4 | Additional activity | Production of parts of railroad locomotives, tram and other motor carriages and rolling stock; production of equipment and devices for railroad, tram and other ways, the mechanical and electromechanical equipment for traffic control |
| 33.12 | Additional activity | Repair of fabricated metal products, machinery and equipment |
| 33.14 | Additional activity | Repair of electrical equipment |
| 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 |
| 35.22 | Additional activity | Gas distribution by pipeline |
| 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 |
| 35.30.1 | Additional activity | Cogeneration plant with heat produced by other suppliers for distribution |
| 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 |
| 35.30.5 | Additional activity | Heat distribution without generating |
| 37.00 | Additional activity | The collection and treatment of waste water |
| 41.10 | Additional activity | Construction of buildings |
| 41.20 | Additional activity | Construction of buildings |
| 42.11 | Additional activity | Construction of roads and motorways |
| 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 |
| 42.99 | Additional activity | Hydraulic |
| 43.11 | Additional activity | Demolition of buildings |
| 43.12 | Additional activity | Site preparation work |
| 43.12.1 | Additional activity | Clearing the construction site |
| 43.12.2 | Additional activity | Specialised construction activities |
| 43.12.3 | Additional activity | Excavation/Dredging |