Around the globe, huge challenges await tunnel builders and miners underground. Whether beneath the Gotthard massif, the Yangtze River or the complex pipeline network in New York – with tenacity, irrepressible will and the highest level of professionalism we boldly go forward together with our customers. To master every small and large underground construction project, the technology leader Herrenknecht, with 5,000 employees, develops project-specific tunnelling and mining technologies that turn visions into reality. For this reason, clients, contractors and planners around the world rely on our partnership and trust our brand promise.