The core activity of Willi Hoch- und Tiefbau AG encompasses the provision of services and products in the field of construction and civil engineering, including: Construction: new construction, renovation and refurbishment of single-family and multi-family homes, commercial and industrial buildings; Civil engineering: civil engineering services, crane work, environmental design and transportation; Concrete elements: manufacture of concrete elements such as concrete blocks, concrete wells, kitchen countertops, road elements and other custom concrete products; Drilling and cutting: specialized work such as drilling and cutting of concrete, masonry and natural stone; Prefabricated construction: manufacture of concrete elements and other building components. The company also offers apprenticeship training and consulting services.