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Herrenknecht AG
Private (AG)
Industry Heavy equipment
Founded 1975
Founder Martin Herrenknecht
Headquarters Schwanau, Germany
Key people
Martin Herrenknecht, President & CEO
Products Tunnel boring machines
Revenue 1,147 million (2012)
Number of employees
4600 (2014)
Divisions Traffic Tunnelling, Utility Tunnelling, Vertical Drilling Rigs
Website www.herrenknecht.com

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[1] employees work at the company headquarters, and roughly 300 work at three different locations in China.


  1. ^ "Unsere Mitarbeiter" [Our Employees] (in German). Herrenknecht AG. 

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