Herrenknecht AG

Herrenknecht AG is a leading manufacturer of tunnel boring machines (TBMs) and mechanized tunneling technology, founded in 1977 in Schwanau, Germany. The company has grown significantly, employing around 5,000 people and generating annual revenues exceeding 1 billion euros. With over 40 subsidiaries worldwide, Herrenknecht serves key markets including China, Russia, the United States, and Europe. The company offers a comprehensive range of tunneling equipment, including TBMs designed for various geological conditions, specialized drilling equipment, and custom-engineered solutions for specific projects. Herrenknecht also provides consulting, project management, and site services, ensuring clients have access to a full suite of support throughout the tunneling process. Their machines have been utilized in major projects like the Elbe Tunnel expansion in Germany and the Gotthard Base Tunnel in Switzerland, showcasing their expertise in large-scale underground construction.