Components maintenance and provision:
Liebherr road was established in 1370 due to demand for service and machinery maintenance and it was able to provide optimal services based on international standards in short period of time by developing technicians and specialists who were trained in these machinery courses. This company undertook many important projects in aforesaid regions, which one of its examples is described below.

- Shahroud Road Maintenance and Transportation Organization’s road construction and mineral machinery repair and component provision – 1381, 1382
- Golestan Province Road Maintenance and Transportation Organization’s road construction and mineral machinery repair and component provision – 1382
- Tehran Road Maintenance and Transportation Organization’s road construction machinery repair and component provision – 1382
- Tehran civil organization’s road construction and mineral machinery’s repair and component provision – 1383
- Razavi Khorasan Province Road Maintenance and Transportation Organization’s road construction machinery repair and component provision – 1387, 1388, 1389

- Iranshahr Road Maintenance and Transportation Organization’s road construction machinery repair and component provision – 1389, 1390
- Sistan and Baluchestan Province Road Maintenance and Transportation Organization’s road construction and mineral machinery repair and component provision – 1393, 1394, 1395
- Iranshahr Road Maintenance and Transportation Organization’s road construction and mineral machinery repair and component provision – 1384, 1385, 1386

- Iranshahr Road Maintenance and Transportation Organization’s road construction machinery repair and component provision – 1385, 1384
- Isfahan Road Maintenance and Transportation Organization’s road construction machinery repair and component provision – 1385
- Larestan Road Maintenance and Transportation Organization’s road construction machinery repair and component provision – 1387, 1388