| OKVED code | Type | Name of activity type |
|---|
| 43.22 | Core activity | Production of sanitary-engineering works, installation of heating systems and air conditioning systems |
| 25.11 | Additional activity | Manufacture of metal structures, products and their parts |
| 27.12 | Additional activity | Manufacture of electricity distribution and control apparatus |
| All types of activities |
| 27.90 | Additional activity | Manufacture of other electrical 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 |
| 28.29.6 | 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 |
| 33.14 | 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 |
| 35.12 | Additional activity | Electricity transmission and technological connection to distribution network |
| 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 |
| 41.20 | Additional activity | Construction of buildings |
| 42.11 | Additional activity | Construction of roads and motorways |
| 42.91 | Additional activity | Construction of water projects |
| 42.99 | Additional activity | Hydraulic |
| 43.11 | Additional activity | Demolition of buildings |
| 43.12.3 | Additional activity | Excavation/Dredging |
| 43.13 | Additional activity | exploratory drilling |
| 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 |
| 46.12.1 | Additional activity | Activity of agents in wholesale trade of solid, liquid and gaseous fuels and related products |
| 46.14.9 | Additional activity | Activity of agents in wholesale trade of other types of machines and industrial equipment |
| 46.15.9 | Additional activity | Involved in the sale of other household goods agents, not included in other categories |
| 46.18 | Additional activity | Agents specialized in the wholesale trade of other particular products |
| 46.18.9 | Additional activity | Agents of goods in wholesale trade, not included in other categories |
| 46.63 | Additional activity | Wholesale trade of machinery for mining, quarrying and construction |
| 46.69 | Additional activity | Wholesale of other machinery and equipment |
| 46.73.3 | Additional activity | Wholesale of other intermediate products of wood and wooden building components |
| 46.73.6 | Additional activity | Wholesale of paints |
| 46.74 | Additional activity | Wholesale of hardware, plumbing and heating equipment and supplies |
| 46.90 | Additional activity | Nonspecialised wholesale trade |
| 47.19 | Additional activity | Other retail stores with |
| 47.43 | Additional activity | Retailing audio and video equipment in specialized stores |
| 47.52 | Additional activity | Retail sale of hardware, paints and glass in specialised stores |
| 47.54 | Additional activity | Construction and DIY markets |
| 47.59 | Additional activity | Retail trade of furniture, lighting equipment and other household articles in specialized stores |
| 47.78.6 | Additional activity | Household retail trade of liquid home fuel, bottled gas, coal, wood fuel, fuel peat in specialized stores |
| 47.78.9 | Additional activity | Other retail sale nec (not in stores) |
| 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 |