| ICS | Ámbito |
|---|---|
| 45.020 |
Railway engineering in general Railway traffic, consulte 03.220.30 Construction of railways, consulte 93.100 |
| 45.040 | Materials and components for railway engineering |
| 45.060 |
Railway rolling stock Including materials, components, electric and electronic equipment for railway rolling stock |
| 45.080 |
Rails and railway components Including track components |
| 45.100 |
Cableway equipment Including ropeway equipment |
| 45.120 | Equipment for railway/cableway construction and maintenance |
| 45.140 | Metro, tram and light rail equipment |