JSC "Daugavpils Lokomotīvju Remonta Rūpnīca" (DLRR)​ works in two directions: repair of rolling stock and sub-contracting metalworking.

DLRR was founded in 1866 as a base for steam locomotive repair workshops. In 1965 the plant was redesigned for overhaul of diesel locomotives.

Today DLRR is the largest company in Baltic states that specializes in overhauling and modernizing rolling stock:

- Repair and modernization of mainline locomotives, shunters, DMU and EMU trains;

- Repair and modernization of passenger carriages;

- Repair of equipment: wheelsets, diesel engines, diesel locomotive and electric train aggregates;

- Spare parts for rolling stock.

Technical experience, that DLRR has gained working with repair of railway transport, allows nowadays to offer a wide range of metalworking services to other industries as well:

- Die casting (steel, iron, bronze, aluminum);

- CNC machinig (turning, milling, drilling, grinding, threading);

- Laser cutting;

- Sheet and tube bending;

- Mig/MAG, TIG and spot welding; Forging;

- Heat treatment;

- Surface treatment;

- Assembly.

We follow international ISO 9001 quality standards in our production.