Herrenknecht AG, founded in 1975 by Martin Herrenknecht in Schwanau, a town in the district of Ortenau in Baden-Württemberg in Germany, is a private (AG) company in the heavy equipment and geotechnical engineering industry with tunnel boring machine products.
Herrenknecht AG, founded in 1975 by Martin Herrenknecht in Schwanau, a town in the district of Ortenau in Baden-Württemberg in Germany, is a private (AG) company in the heavy equipment and geotechnical engineering industry with tunnel boring machine products.