
China Jingye Engineering Technology Co. Ltd.

Guangdong Hongda Holdings Group Co., Ltd.Asia, China

McNish Corp.Illinois, United States

Nissan Construction Co., Ltd.

Yahagi Construction Co., Ltd.Aichi-ken, Japan

Canada, Inc.

Yonker Environmental Protection Co., Ltd.Hunan Sheng, China

Sanwa Kako Co., Ltd.Kyoto-fu, Japan

URS Corp.California, United States

SK Engineering Co., Ltd.

Chengdu Road & Bridge Engineering Co., Ltd.Sichuan, China

Beijing Yuechang Technology Co. Ltd.Beijing, China