| OKVED code | Type | Name of activity type |
|---|
| 71.12 | Core activity | Engineering office |
| 25.30 | Additional activity | Manufacture of steam generators, except central heating boilers |
| 28.21 | Additional activity | Manufacture of furnaces and furnace burners 2815 |
| All types of activities |
| 28.21.1 | Additional activity | Manufacture of furnaces and furnace burners 2817 |
| 28.22 | Additional activity | Manufacture of lifting and handling equipment |
| 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 |
| 28.25.2 | Additional activity | Production of non-domestic cooling and ventilation equipment, non-domestic |
| 28.29 | Additional activity | Production of other machines and equipment of common purpose, not included in other categories |
| 28.29.3 | Additional activity | Packaging Machinery, Manufacturing |
| 28.41 | Additional activity | Manufacture of metal-working equipment |
| 28.41.1 | Additional activity | Manufacture of machine tools |
| 28.41.2 | Additional activity | Production of press-forging equipment |
| 28.99 | Additional activity | Manufacture of machinery and equipment for special purposes, not included in other categories |
| 33.11 | Additional activity | Repair of fabricated metal products |
| 33.12 | Additional activity | Repair of fabricated metal products, machinery and equipment |
| 33.17 | Additional activity | Repair and maintenance of transport equipment nec |
| 33.19 | Additional activity | Repair of other equipment |
| 33.20 | Additional activity | Installation of industrial machinery and equipment |
| 35.30 | Additional activity | Production, transmission and distribution of steam and hot water; air conditioning |
| 35.30.14 | Additional activity | Production of steam and hot water (heat power) by boiler |
| 35.30.2 | Additional activity | District heating plant with heat produced by 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) |
| 41.10 | Additional activity | Construction of buildings |
| 41.20 | Additional activity | Construction of buildings |
| 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 |
| 42.99 | Additional activity | Hydraulic |
| 43.11 | Additional activity | Demolition of buildings |
| 43.12 | Additional activity | Site preparation work |
| 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 |
| 43.99.4 | Additional activity | Stair company |
| 43.99.5 | Additional activity | installation of structural steel works |
| 43.99.6 | Additional activity | Prefab house and prefabricated construction - manufacturers |
| 43.99.7 | Additional activity | Seal against water and moisture |
| 43.99.9 | Additional activity | Ready-house-and part-finished building manufacturer |
| 45.11 | Additional activity | Trade of cars and light trucks |
| 46.13 | Additional activity | Involved in the sale of timber and building materials agents |
| 46.13.1 | Additional activity | Involved in the sale of timber agents |
| 46.14 | Additional activity | Activity in wholesale trading of machinery, industrial equipment, ships and aircraft |
| 46.14.1 | Additional activity | Involved in the sale of computer equipment agents, telecommunications equipment and other office equipment |
| 46.14.2 | Additional activity | Activities in wholesale trading of ships, aircraft and other vehicles not included in other categories |
| 46.14.9 | Additional activity | Activity of agents in wholesale trade of other types of machines and industrial equipment |
| 46.73 | Additional activity | Wholesale trade of wood, construction materials and sanitary equipment |
| 46.73.1 | Additional activity | Wholesale of wood, construction materials and sanitary equipment |
| 46.73.2 | Additional activity | Wholesale trade of raw and sawn timber |
| 46.73.3 | Additional activity | Wholesale of other intermediate products of wood and wooden building components |