Bilfinger Berger Ingenieurbau GmbH
Tunnelling Branch
Kistlerhofstrasse 144
D-81379 Munich (Germany)
Phone: +49 (0)89-74817-0
Fax: +49 (0)89-74817-307
Bilfinger Berger Ingenieurbau GmbH
Tunnelling Branch Switzerland
Industriestrasse 37
CH-8864 Reichenburg (Switzerland)
Phone: +41 (55) 46431-0
Fax: +41 (55) 46431-69