Bac Nga Construction and Trading Company Limited
Thôn Ải, Xã Ngọc Thiện, Tan Yen District
An Thinh Vuong Envestment Commercial Company Limited
Thôn Mặn, Xã An Lập, Son Dong District
Hlb Investment and Construction Limited Company
Thôn Mai Thượng, Xã Mai Đình, Hiep Hoa District
Tan Lap Phat Electrical Limited Company
Xóm Chay, Xã Hồng Thái, Viet Yen District