| 83562 | Electrical conductivity testing and analysis of other materials | |
| 83562 | Electrical conductivity testing and analysis of plastics | |
| 83562 | Electrical conductivity testing and analysis of textiles | |
| 83562 | Electrical conductivity testing and analysis of wood | |
| 87151 | Electrical cooking equipment, domestic, repair of | |
| 83343 | Electrical engineering design services for manufacturing constructions | |
| 83343 | Electrical engineering design services for mining constructions | |
| 83349 | Electrical engineering design services for other construction projects | |
| 83343 | Electrical engineering design services for the automation of industrial processes | |
| 83341 | Electrical engineering design services for the construction of agricultural buildings | |
| 83342 | Electrical engineering design services for the construction of airfield runways | |
| 83342 | Electrical engineering design services for the construction of bridges | |
| 83343 | Electrical engineering design services for the construction of chemical and related facilities | |
| 83342 | Electrical engineering design services for the construction of civil engineering works | |
| 83341 | Electrical engineering design services for the construction of commercial buildings | |
| 83342 | Electrical engineering design services for the construction of dams | |
| 83342 | Electrical engineering design services for the construction of elevated highways | |
| 83342 | Electrical engineering design services for the construction of harbours | |
| 83342 | Electrical engineering design services for the construction of highways | |
| 83341 | Electrical engineering design services for the construction of industrial buildings | |
| 83343 | Electrical engineering design services for the construction of industrial plants and processes | |
| 83342 | Electrical engineering design services for the construction of irrigation works | |
| 83342 | Electrical engineering design services for the construction of local cables and related works | |
| 83342 | Electrical engineering design services for the construction of local pipelines and related works | |
| 83342 | Electrical engineering design services for the construction of long-distance communication lines | |
| 83342 | Electrical engineering design services for the construction of long-distance pipelines | |
| 83342 | Electrical engineering design services for the construction of long-distance power lines (cables) | |
| 83341 | Electrical engineering design services for the construction of non-residential buildings | |
| 83342 | Electrical engineering design services for the construction of outdoor recreation facilities | |
| 83342 | Electrical engineering design services for the construction of outdoor sports facilities | |
| 83343 | Electrical engineering design services for the construction of power plants | |
| 83342 | Electrical engineering design services for the construction of railways | |
| 83341 | Electrical engineering design services for the construction of residential buildings | |
| 83342 | Electrical engineering design services for the construction of roads | |
| 83342 | Electrical engineering design services for the construction of streets | |
| 83342 | Electrical engineering design services for the construction of subways | |
| 83349 | Electrical engineering design services for the construction of traffic control systems | |
| 83342 | Electrical engineering design services for the construction of tunnels | |
| 83342 | Electrical engineering design services for the construction of waterways | |
| 83342 | Electrical engineering design services for the construction of waterworks | |