Hai Dang Pt Company Limited
Khu 2, Phường Vân Phú, Viet Tri City
Tổ 58, khu 6A, Phường Nông Trang, Viet Tri City
Coteccons Tuan Tu Trading Construction and Service Joint Stock Company
Khu 6, Xã Hanh Cù, Thanh Ba District
Dkl Construction Company Limited
Khu 10, Xã Tiên Phú, Phu Ninh District
Khu 3, Thôn Nỗ Lực, Xã Thụy Vân, Viet Tri City