| OKVED code | Type | Name of activity type |
|---|
| 43.22 | Core activity | Production of sanitary-engineering works, installation of heating systems and air conditioning systems |
| 41.20 | Additional activity | Construction of buildings |
| 42.21 | Additional activity | Construction engineering services for water supply and drainage, gas |
| All types of activities |
| 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 |
| 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 |
| 43.34.2 | Additional activity | Remove rust and corrosion protection |
| 43.39 | Additional activity | Other construction installation |
| 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 |
| 43.99.5 | Additional activity | installation of structural steel works |
| 43.99.9 | Additional activity | Ready-house-and part-finished building manufacturer |
| 46.13 | Additional activity | Involved in the sale of timber and building materials agents |
| 46.18 | Additional activity | Agents specialized in the wholesale trade of other particular products |
| 46.69 | Additional activity | Wholesale of other machinery and equipment |
| 46.69.9 | Additional activity | Wholesale trade of other machines, devices and equipment and equipment of common industrial and special purpose |
| 46.73 | Additional activity | Wholesale trade of wood, construction materials and sanitary equipment |
| 46.73.3 | Additional activity | Wholesale of other intermediate products of wood and wooden building components |
| 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 |
| 47.52.5 | Additional activity | Retail trade of sanitary equipment in specialized stores |
| 47.52.7 | Additional activity | Retail trade of construction materials not included in other categories, in specialized stores |
| 47.52.73 | Additional activity | Retailing Metallic and nonmetallic structures in specialized 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 |
| 47.59.3 | Additional activity | Trade retail lighting equipment in specialized stores |
| 47.9 | Additional activity | Retail trade not in stores, stalls or markets |
| 47.99 | Additional activity | Other retail sale not in stores, stalls or markets |
| 62.09 | Additional activity | Activities related to the usage of computers and information technology, other |
| 70.22 | Additional activity | Advice on business and management |
| 71.1 | Additional activity | Architectural and engineering activities and related technical consultancy |
| 71.11.1 | Additional activity | Engineering activities and related technical consultancy |
| 71.12.1 | Additional activity | Structural engineering firms for overall planning |
| 71.12.13 | Additional activity | High civil engineers and offices |
| 71.12.45 | Additional activity | Civil engineers and offices |
| 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 |
| 71.20.3 | Additional activity | Chemical analysis and advice |
| 71.20.4 | Additional activity | Testing, research and analysis of complete mechanical and electrical systems, energy audit |
| 71.20.6 | Additional activity | Expertise of project documentation and engineering survey results |
| 95.11 | Additional activity | Repair of computers and peripheral computer equipment |