The core activity of Baggerbetrieb Thomas Pfenninger includes the execution of excavation and transport work, in particular: excavation work for various projects such as single-family homes, garages, storage halls, water reservoirs and garden houses; pipeline construction, including the laying of water, electricity and telecommunications lines, also in difficult terrain; construction and renovation of squares and paths, such as forecourts, garden seating areas and access roads; and transportation of excavated materials such as gravel, sand and rubble.