
Nuclear Industry Nanjing Construction Group Co. Ltd.

Industrial Insulation Systems, Inc.

Shandong Dejian Group Co. Ltd.Shandong Sheng, China

British Gypsum Ltd.Leicestershire, United Kingdom

United States Gypsum Co.

Ettenberger GmbH & Co. Heizung - Lüftung - Sanitr KG

William Coulthard & Co. Ltd.

ERG (Air Pollution Control) Ltd.West Sussex, United Kingdom

Elgin Separation SolutionsTexas, United States

Zhejiang Zhongji Pile Co. Ltd.

Building Design Partnership Ltd.

China Nuclear Power Engineering Co., Ltd.