Phan Ngoc Anh Building Materials Company Limited
Thôn 4, Xã Duy Hòa, Duy Xuyen District
Kiem Lam Ceramic & Brick Joint Stock Company
Thôn 6, Xã Duy Hòa, Duy Xuyen District
Ban Son Trading And Service Production Company Limited
Thôn Bàn Sơn, Xã Duy Phú, Duy Xuyen District