Bao Huy Building Construction Joint Stock Company
Thôn Từ Hồ, Xã Yên Phú, Yen My District
Petrolimex Concrete and Construction Company Limited
Km 17 Quốc lộ 39, thôn Lôi Cầu, Xã Việt Hòa, Khoai Chau District
Hop Phat Group Building Materials Manufacturing Joint Stock Company
Thôn Vạn Tường, Xã Bảo Khê, Hung yen City
Hoa Trang Production and Commercial Company Limited
Thôn Đại Từ, Xã Đại Đồng, Van Lam District
Thôn Lôi Cầu, xã Việt Hoà, Xã Việt Hòa, Khoai Chau District