| Nace | Description | Number of Company |
|---|---|---|
| 27.11.01 | Manufacture of electric motors, generators and transformers (except parts and components) | 416 |
| 27.11.03 | Manufacture of parts and components of electric motors, generators and transformers | 151 |
| 27.12.01 | Manufacture of specific devices for electrical circuit switching, protection and control of electrical distribution (fuses, automatic circuit breakers, relays, insulation, circuit and load break switches, voltage limiters, wave suppressor e | 475 |
| 27.12.02 | Manufacture of specific devices for electrical circuit switching, protection and control of electrical distribution (table for control panel, consoles, cabinets etc. including other support, but except electrical switch, plug and socket) | 562 |
| 27.20.02 | Manufacture of non-rechargeable (primary) cells and batteries and their components and parts (cells and batteries containing manganese dioxide, mercuric dioxide, silver oxide, lithium oxide, zinc-air reacting) | 12 |
| 27.20.04 | Manufacture of rechargeable cells and batteries and their parts | 68 |
| 27.31.04 | Manufacture of fiber optic cables | 32 |
| 27.32.03 | Manufacture of other electronic and electric cables and wires (coaxial cable and other coaxial electric conductors, insulated magnet wires, insulated underground underwater conductors, acetate and silicone copper conductors etc.) (except fi | 431 |
| 27.52.06 | Manufacture of parts and components of non-electrical household appliances | 11 |
| 27.90.02 | Manufacture of electrical capacitors, resistors (except heating resistors), rheostats and potentiometers | 23 |
