Covia Holdings LLCOhio, United States
Xinjiang Tianshan Cement Co., Ltd.Xinjiang, China
Plant & Safety Inspection Services Ltd.St. Helens, United Kingdom
East China Power Transmission & Transformation Eng Co., Ltd.Shanghai Shi, China
Beijing Capital Highway Development Group Co. Ltd.Beijing Shi, China
Fujian PengXiang Industrial Co., Ltd.
Shandong Shouguang No. 1 Construction Co. Ltd.Shandong Sheng, China
Gansu Golden Bridge Group Co., Ltd.
MotoCut OySouthern Finland, Finland
Sunil Co., Ltd.
Chengdu Road & Bridge Construction of CDCEG Co., Ltd.Sichuan Sheng, China
RHI Refractories (Dalian) Co., Ltd.