Nguyen Vong Company Limited
Xóm 5, Xã Mai Sơn, Yen Mo District
Ninh Binh Traffic Management and Construction Number 2 Joint Stock Company
Km 3, Đường Nguyễn Huệ, Phường Ninh Phong, Ninh Binh City
Hoang Gia Company Limited
Số 52 Gián Khẩu, Xã Gia Trấn, Gia Vien District