Would you like to contact the STS?
Have you any questions or do you want to give us some feedback?

Please contact: 
 

STS - Swiss Tunnelling Society

Secretariat: Ms. Iris Otter

Bachweg 1

CH-8133 Esslingen

Tel.  +41 44 387 15 30

Fax. +41 44 387 15 00

Or write us directly an email to sia-fgu@swisstunnel.ch