Zhejiang KeFei Technology Co., Ltd.Zhejiang Sheng, China
Shanxi Second Construction Engineering Co.Shaanxi Sheng, China
Wilhelm Geiger GmbH & Co. KGGermany
Nordkalk ABSTOCKHOLM, Sweden
Thinking Industries Corporation Ltd.Fujian Sheng, China
Fuso Co., Ltd.Tokyo-to, Japan
ODL, Inc.Michigan, United States
Jiangxi Jinxi Cement Co. Ltd.
Kalkzandsteenfabriek Roelfsema BVDrenthe, Netherlands
RFK Engineering Solutions LLCUnited States
Elstein-Werk M. Steinmetz GmbH & Co. KGNiedersachsen, Germany
Katerra, Inc.California, United States