
Hanam Construction Co., Ltd.

China Gezhouba Group Construction Engineering Co., Ltd.

Dong Yang Concrete Industry Co., Ltd.

Anhui Highway Bridge Engineering Co. Ltd.

The Kodensha, Co., Ltd.Tokyo, Japan

Guangdong Longjian Engineering Co., Ltd.Guangdong Sheng, China

Gannett Fleming, Inc.

Forterra Pipe & Precast LLC

Zhejiang Bada Construction Group Co. Ltd.

Bechtel Oil, Gas & Chemicals, Inc.Texas, United States

Decast Ltd.Texas, United States

Bethlehem Steel Corp.Pennsylvania, United States