Partners of Bisotherm GmbH

Rotec GmbH & Co. KG
Specialist in the mining, processing and refining of naturally expanded silicate.

KANN GmbH Baustoffwerke
The KANN group is one of the largest building materials companies. The KANN building material plants provide quality building materials for civil engineering, as well as gardening and landscaping.

Dr. Carl Riffer Baustoffwerke
Dr. Carl Riffer Baustoffwerke GmbH & Co. KG is the best resource for building products and services.