Shanghai Qiangjin Foundation Engineering Co. Ltd.Shanghai Shi, China
Ardex, Inc.Pennsylvania, United States
BEELE Engineering BV
EBA Elektro-, Bau- und Anlagentechnik GmbH
Fahrzeugbau Heinz Bse GmbH
China Tianying, Inc.Jiangsu Sheng, China
Road & Bridge South China Engineering Co. Ltd.
POSCO A&C Co., Ltd.South Korea
Sichuan Chuanjiao Road & Bridge Co. Ltd.
Northstone (NI) Ltd.Belfast, United Kingdom
Freyssinet International & Cie
Espaciel SASNord-Pas-de-Calais, France