The core activity of Leuenberger Tiefbau AG is civil engineering and road construction, including: demolition and disposal services (deconstruction, mechanical demolition, selective demolition), excavation of building pits, installation of utility lines (water, sewage, telecommunications and power lines), maintenance of rural roads (construction and maintenance of non-asphalted roads), stone walls and squares, and stream constructions. The company offers these services to private individuals, municipalities and companies in the Zurich region.