About us

Your partners for solutions in tunnelling

WALO + KERN

The two familiy-run companies Walo Bertschinger AG und Kern Tunneltechnik SA concentrate their forces and their technical competences into a strategic alliance.

With combined know-how in the domains of construction Engineering and mechanical engineering, services of project optimization, forwardlooking machine technology, technological innovations and consulting for the international market in the domains tunnel construction / machine technology are provided.