|Martin Herrenknecht, President & CEO|
|Products||Tunnel boring machines|
|Revenue||1,147 € million (2012)|
Number of employees
|Divisions||Traffic Tunnelling, Utility Tunnelling, Vertical Drilling Rigs|
Herrenknecht AG is a German manufacturer of tunnel boring machines of all sizes. Herrenknecht is headquartered in Allmannsweier near Schwanau, and is the world market leader for heavy tunnel boring machines. Roughly two-thirds of the 4,600 employees work at the company headquarters, and roughly 300 work at three different locations in China.
- "Unsere Mitarbeiter" [Our Employees] (in German). Herrenknecht AG.