Toan Thang Environmental And Trading Company Limited
Thôn 4, Xã Đồng Trạch, Bo Trach District
The Phuong Environmental Service Company Limited
Thôn Tân Hóa, Xã Mai Hóa, Tuyen Hoa District
Nhat Dang General Service Company Limited
Tổ dân phố Dinh, Phường Quảng Thuận, Ba Don Town
Truong Phu Environmental And Trading Construction Company Limited
Thôn Tây, Xã Vạn Ninh, Quang Ninh District
Quang Binh Urban Development And Environmental Company Limited
34 Trần Quang Khải, Phường Đồng Phú, Dong Hoi City