| OKVED code | Type | Name of activity type |
|---|
| 28.11 | Core activity | Manufacture of metal structures and parts of structures |
| 28.12 | Additional activity | Manufacture of builders' carpentry and joinery of metal |
| 28.21 | Additional activity | Manufacture of tanks, reservoirs and containers of metal |
| All types of activities |
| 28.22 | Additional activity | Manufacture of central heating radiators and boilers |
| 28.22.9 | Additional activity | Central heating boilers repair and maintenance support services |
| 28.30.1 | Additional activity | Manufacture of steam generators and parts |
| 28.30.9 | Additional activity | Boilers repair and maintenance support services (exc. For Central heating boilers) |
| 28.51 | Additional activity | Treatment and coating of metals |
| 28.52 | Additional activity | General mechanical engineering |
| 28.62 | Additional activity | Manufacture of tools |
| 28.71 | Additional activity | Manufacture of steel drums and similar containers |
| 28.72 | Additional activity | Manufacture of light metal packaging |
| 28.73 | Additional activity | Manufacture of wire products |
| 28.74 | Additional activity | Manufacture of fasteners, screw machine products, chain and springs |
| 28.75.1 | Additional activity | Iron and Metal Sanitary Ware Manufacturing |
| 28.75.11 | Additional activity | Ferrous metal and copperl sanitary ware manufacturing |
| 28.75.21 | Additional activity | Manufacture armoured or reinforced safes, fireproof cases and doors |
| 29.12.9 | Additional activity | Pump and Compressor support services |
| 29.14.9 | Additional activity | Ball and roller bearing support services |
| 29.21 | Additional activity | Heating Equipment |
| 29.21.1 | Additional activity | Heating equipment manufacturing (except electric and warm air furnaces) |
| 29.21.9 | Additional activity | Stoves manufacturing and support services |
| 29.22.9 | Additional activity | Lifting and Transportation Equipment Support Services |
| 29.23.1 | Additional activity | Heat Exchangers, Refrigeration equipment, industrial and commercial-type, manufacturing |
| 29.23.9 | Additional activity | Refrigeration and Fan Equipment Support Services |
| 29.24.1 | Additional activity | Purification Equipment Manufacturing |
| 29.24.9 | Additional activity | All Other General Purpose Machinery Manufacturing Support Services |
| 29.32.9 | Additional activity | Agricultural Implement machinery Support Services |
| 29.40.9 | Additional activity | Machine Tool Support Services |
| 29.54.9 | Additional activity | Textile, Leather and Sawing Machinery Support Services |
| 29.56.9 | Additional activity | Other Special Machinary Support Services |
| 45.11 | Additional activity | Demolition of buildings or other structures construction contractors |
| 45.21.1 | Additional activity | Works and Buildings Construction |
| 45.21.3 | Additional activity | Pipeline (e.g., gas, oil, sewer, water) construction |
| 45.21.4 | Additional activity | Pipeline (e.g., gas, oil, sewer, water) construction |
| 45.21.5 | Additional activity | Pipeline (e.g., gas, oil, sewer, water) construction |
| 45.21.51 | Additional activity | Power plant, hydroelectric, construction |
| 45.21.53 | Additional activity | Power plant, thermoelectric, construction |
| 45.21.6 | Additional activity | Other buildings construction |
| 45.21.7 | Additional activity | On-site prefabricated homes assembly construction |
| 45.22 | Additional activity | Roofing Contractors |
| 45.23 | Additional activity | Roads, airfields and sports buildings construction |
| 45.24 | Additional activity | Water main and line construction |
| 45.24.1 | Additional activity | Harbour installations |
| 45.24.2 | Additional activity | Water power project construction |
| 45.25.1 | Additional activity | Scaffolding construction contractors |
| 45.25.2 | Additional activity | Foundation drilling construction contractors |
| 45.25.3 | Additional activity | Poured Concrete Foundation and Structure Contractors |
| 45.25.4 | Additional activity | Metal Structures Assembling |
| 45.25.5 | Additional activity | Structural Steel and Precast Concrete Contractors |
| 45.25.6 | Additional activity | Other construction works, special qualification reqired |
| 45.31 | Additional activity | Electrical Contractors |