
Sichuan Expressway Construction & Development Group Co., Ltd.Sichuan Sheng, China

Peter Dann Ltd.Cambridgeshire, United Kingdom

Elstein-Werk M. Steinmetz GmbH & Co. KGNiedersachsen, Germany

Diffusion Environmental Systems Ltd.SURREY, United Kingdom

Nu-Lok Roofing Systems Pty Ltd.New South Wales, Australia

Zhongye Changtian International Engineering Co., Ltd.Hunan Sheng, China

Spæncom A/SHovedstaden, Denmark

GS Engineering & Construction Corp.

Chongqing Chuanggao Decoration Engineering Co., Ltd.Chongqing Shi, China

China Nuclear Industry 22nd Construction Co. Ltd.

De Beers Centenary AG

Beijing City Construction Group No. 2 Co.Beijing Shi, China