Ingenieurbüro IEM AG
![IEM logo 2662.png](/sites/default/files/styles/max_325x325/public/images/Logo/2020-03/IEM%20logo%202662.png?itok=YnoRqmm9)
Ingenieurbüro IEM AG
Christian Hilgenberg
Uttigenstrasse 49
3600 Thun
Switzerland
fon: +41 33 2274020
fax: +41 33 2274021