Nam Son Trade and Service Company Limited
Tổ 31 Khu 3, Phường Quán Toan, Hong Bang District
Ngan Ha Education and Construction Company Limited
Số 97 Bạch Đằng, Phường Hạ Lý, Hong Bang District
Tri Tue Viet School Equipment and Education Company Limited
Số 67D Lê Lai, Phường Máy Chai, Ngo Quyen District