SZ - Centralne delavnice Ljubljana d.o.o. is a limited liability company in a 100% ownership of the public company Holding Slovenske zeleznice d.o.o..

Its basic activity is maintenance of railway vehicles. We maintain almost any railway vehicles from locomotives, passenger or freight wagons to special-purpose railway vehicles. We perform basic types of maintenance from current maintenance to systematic maintenance - major overhaul. Besides the basic types of maintenance we perform also various kinds of reconstruction and modernisation as well as manufacture and repair of spare parts.

We can rely on our own expertise and experiences, as well as the latest technical equipment like underfloor wheel lathe, wheelset presses or equipment for ultrasonic inspection, which enables us to keep pace with other organisations in this field.

The company seat is in Ljubljana. Our production activities are performed in five production units situated at various places in Slovenia.