| 33170 | Repair and maintenance of animal-drawn buggies and wagons (manufacture) |
| 33170 | Repair and maintenance of invalid carriages (manufacture) |
| 33170 | Repair and maintenance of railway cars (manufacture) |
| 33170 | Repair and maintenance of railway locomotives (manufacture) |
| 33170 | Repair and maintenance of railway rolling stock (major) (manufacture) |
| 33170 | Repair and maintenance of tramway rolling stock (manufacture) |
| 33170 | Repair and maintenance of transmissions and other parts for locomotives (manufacture) |
| 33170 | Repair of caravans |
| 33170 | Wheelchair repair and maintenance (manufacture) |
| 33170 | |