He'nan Aviation Construction Engineering Co.Henan Sheng, China
China Coal Mine Construction Group Co. Ltd.Anhui Sheng, China
ODL, Inc.Michigan, United States
Packaging Automation Ltd.Cheshire, United Kingdom
Guohai Construction Co. Ltd.
Rolls-Royce Industrial Power (Overseas Projects) Ltd.
Somero Enterprises, Inc.New Hampshire, United States
Chester Corp.
Elliot Co.
Ettenberger GmbH & Co. Heizung - Lüftung - Sanitr KG
Gansu Construction Supervision Co. Ltd.
Huaneng Chaohu Power Generation Co., Ltd.