Toan Thu Construction Company Limited
Thôn Nòn, Thị Trấn Thanh Sơn, Son Dong District
Lô 92, 93, Tiểu khu 4, Thị Trấn Neo, Yen Dung District
Dinh Tung Construct and Trade Company Limited
Thôn Ngọ Xá, Xã Châu Minh, Hiep Hoa District
Doc Vietnam Trading and Production Investment Joint Stock Company
Thôn Dốc, Xã Phương Sơn, Luc Nam District