The core activity of Liebhauser & Délèze SA encompasses three main areas:
1. **Building** (Construction): The company offers services in the construction sector, including the construction of villas, residential buildings, industrial buildings, renovations, and the adaptation of buildings to earthquake safety standards.
2. **Civil Engineering** (Civil Engineering): In this area, the company's activities include civil engineering works, such as road construction, outdoor facilities, paving, curbstones, sewerage works, the laying of bitumen roads, the construction of retaining walls, and the installation of walls.
3. **Special Works** (Special Works): In this area, the company carries out special works, such as the construction of avalanche protection systems, rockfall protection nets, anchorages, Gazex installations, water intakes, retaining walls, hydraulic works, and works under difficult conditions.