
Imerys Kaolin, Inc.Georgia, United States

Gansu Road & Bridge Construction Group Co., Ltd.

China Testing & Certification International Group Co., Ltd.Beijing Shi, China

Powerchina Guiyang Engineering Corp. Ltd.

Fermacell GmbHNordrhein-Westfalen, Germany

Shanghai Trendzone Construction Decoration Group Co., Ltd.Shanghai Shi, China

Cirkel GmbH & Co. KGNordrhein-Westfalen, Germany

Tripole Co. Ltd.Tokyo-to, Japan

G. Engineering SrlToscana, Italy

Walker Industries Holdings Ltd.Ontario, Canada

Karl Grumbach GmbH & Co. KGHessen, Germany

Hilgers AG