| OKVED code | Type | Name of activity type |
|---|
| 28.29.1 | Core activity | Machines and plants for drinking water, industrial water and wastewater treatment, production |
| 23.19 | Additional activity | Production and processing of other glass, including technical glassware |
| 23.44 | Additional activity | Manufacture of other technical ceramic products |
| All types of activities |
| 25.30.1 | Additional activity | Manufacture of steam generators and their parts |
| 27.90 | Additional activity | Manufacture of other electrical equipment |
| 28.12 | Additional activity | Production of hydraulic and pneumatic power equipment |
| 28.13 | Additional activity | Manufacture of other pumps and compressors |
| 28.14 | Additional activity | Manufacture of other pumps and compressors |
| 28.29 | Additional activity | Production of other machines and equipment of common purpose, not included in other categories |
| 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 |
| 28.99.9 | Additional activity | Machinery and equipment for the chemical and allied industries, manufacturing |
| 33.12 | Additional activity | Repair of fabricated metal products, machinery and equipment |
| 36.00 | Additional activity | Abstraction, treatment and distribution of water |
| 36.00.1 | Additional activity | Distribution of water for drinking and industrial needs |
| 36.00.2 | Additional activity | Distribution of water for drinking and industrial needs |
| 37.00 | Additional activity | The collection and treatment of waste water |
| 38.11 | Additional activity | Collection of non-hazardous waste |
| 38.21 | Additional activity | Treatment and disposal of non-hazardous waste |
| 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 |
| 42.22.2 | Additional activity | Pipeline, road construction, well construction and sewage treatment plant construction 4220 |
| 42.91 | Additional activity | Construction of water projects |
| 42.91.2 | Additional activity | Construction of hydraulic structures |
| 42.91.3 | Additional activity | Construction of irrigation systems |
| 42.91.4 | Additional activity | Manufacture of bottom cleaning, dredging and shore protection works |
| 42.99 | Additional activity | Hydraulic |
| 43.11 | Additional activity | Demolition of buildings |
| 43.12 | Additional activity | Site preparation work |
| 43.12.3 | Additional activity | Excavation/Dredging |
| 43.13 | Additional activity | exploratory drilling |
| 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 |
| 43.32.3 | Additional activity | Interior design company |
| 46.12.22 | Additional activity | Activity of agents in wholesale trade of primary metals |
| 46.12.31 | Additional activity | Involved in the sale of industrial and technical chemicals agents |
| 46.13.2 | Additional activity | Activities in wholesale trading of construction materials 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 |
| 46.14.9 | Additional activity | Activity of agents in wholesale trade of other types of machines and industrial equipment |
| 46.19 | Additional activity | Activity of agents in wholesale trade of universal assortment of goods |
| 46.69 | Additional activity | Wholesale of other machinery and equipment |
| 46.69.2 | Additional activity | Wholesale trade of engineering maintenance materials and accessories of machines |
| 46.69.3 | Additional activity | Wholesale of other machinery and equipment and accessories for industrial equipment with technical requirements |
| 46.69.5 | Additional activity | Wholesale trade industrial electrical equipment, machinery, equipment and materials |
| 46.69.7 | Additional activity | Wholesale trade measuring devices and equipment |
| 46.69.9 | Additional activity | Wholesale trade of other machines, devices and equipment and equipment of common industrial and special purpose |
| 46.73.1 | Additional activity | Wholesale of wood, construction materials and sanitary equipment |
| 46.73.2 | Additional activity | Wholesale trade of raw and sawn timber |
| 46.74.2 | Additional activity | Wholesale of plumbing and gas, water and heating |
| 46.90 | Additional activity | Nonspecialised wholesale trade |