| OKVED code | Type | Name of activity type |
|---|
| 43.2 | Core activity | Manufacture of electrical, plumbing and other construction installation works |
| 33.12 | Additional activity | Repair of fabricated metal products, machinery and equipment |
| 33.13 | Additional activity | Repair of electronic and optical equipment |
| All types of activities |
| 33.14 | Additional activity | Repair of electrical equipment |
| 33.20 | Additional activity | Installation of industrial machinery and equipment |
| 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 |
| 42.21 | 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 |
| 43.12.3 | Additional activity | Excavation/Dredging |
| 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 |
| 46.15.3 | Additional activity | Activity of agents in wholesale trade of electrical and household wiring accessories |
| 46.15.4 | Additional activity | Activity of agents in wholesale trade of radio and television equipment, technical information carriers |
| 46.43 | Additional activity | Wholesale of photographic and optical goods, electrical household appliances and consumer electronics |
| 46.43.1 | Additional activity | Wholesale of photographic and optical goods |
| 46.43.2 | Additional activity | Wholesale of electrical household appliances |
| 46.43.3 | Additional activity | Wholesale of consumer electronics |
| 46.52 | Additional activity | Wholesale trade of electronic and telecommunications equipment and spare parts |
| 46.69 | Additional activity | Wholesale of other machinery and equipment |
| 47.41 | Additional activity | Retail trade of computers, peripheral devices to them and software in specialized stores |
| 47.41.4 | Additional activity | Retail trade of office machinery and equipment in specialized stores |
| 47.43 | Additional activity | Retailing audio and video equipment in specialized stores |
| 47.54 | Additional activity | Construction and DIY markets |
| 47.59.1 | Additional activity | Retailing furniture in specialized stores |
| 47.59.3 | Additional activity | Trade retail lighting equipment in specialized stores |
| 47.59.9 | Additional activity | Retail trade of household articles and devices not included in other groupings in specialized stores |
| 47.63.1 | Additional activity | Retail sale of music and video recordings in specialised stores |
| 47.63.2 | Additional activity | Video and retail shops |
| 47.7 | Additional activity | Retail sale of other goods in specialised stores |
| 47.78.1 | Additional activity | Optometrists |
| 47.9 | Additional activity | Retail trade not in stores, stalls or markets |
| 47.91.2 | Additional activity | Retailing, carried out directly by means of information and communication on the Internet |
| 47.91.3 | Additional activity | Retail trade through the Internet auctions |
| 47.91.4 | Additional activity | Retail trade carried out directly through television, radio, phone |
| 47.99 | Additional activity | Other retail sale not in stores, stalls or markets |
| 62.02 | Additional activity | Activities and advisory work in the field of computer technology |
| 62.09 | Additional activity | Activities related to the usage of computers and information technology, other |
| 63.11 | Additional activity | Data processing activities, the provision of hosting services and related activities |
| 63.11.1 | Additional activity | Data processing, hosting and related activities |
| 71.11 | Additional activity | Architectural activities |
| 71.12.1 | Additional activity | Structural engineering firms for overall planning |
| 71.12.12 | Additional activity | Stahl-Gro?handel |
| 71.12.13 | Additional activity | High civil engineers and offices |
| 71.12.6 | Additional activity | Activities in the field of technical regulation, standardization, metrology, accreditation, product cataloging |
| 71.12.61 | Additional activity | Activities in the field of technical regulation and standardization |