We operate on a truly worldwide level...

In addition to the Dec Group headquarters in Switzerland and offices in Germany, UK, Ireland, Poland, India, US and China, we partner with a representative network promoting and supporting Dec products worldwide. 

If your country is not listed below, please contact our main offices in Ecublens, Switzerland.


Dietrich Engineering Consultants sa
Z. I. Larges Pieces A
Chemin du Devent
P. O. Box 9
CH-1024 Ecublens

Tel: +41 (0)21 694 20 40
Fax: +41 (0)21 694 20 59

I4L part of Dec Group.JPG
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© 2020 Dietrich Engineering Consultants | Ecublens | Switzerland | www.dec-group.net