Stantec, Inc.Alberta, Canada
China Railway 18th Bureau Group Co., Ltd.
China 22MCC Group Co. Ltd.
Jiangxi Green Giant Ecological Environment Co., Ltd.
China Highway Engineering Consulting Group Co. Ltd.
Henan Province Highway Engineering Bureau Group Co., Ltd.
Ningxia Highway Survey & Design Institute Co. Ltd.
Anhui Construction Engineering Group Corp. Ltd.Anhui Sheng, China
China Highway Engineering Consulting Group Co. Ltd.
CCCC Fourth Highway Engineering Co., Ltd.
Henan Communications Planning & Design Institute Co., Ltd.Henan Sheng, China
Jiangxi Green Giant Ecological Environment Co., Ltd.