Nam Duong Environment Limited
Thôn Tân Sơn, Xã Hòa Sơn, Luong Son District
Binh Minh Xanh Environmental Company Limited
Thôn Tân Sơn, Xã Hòa Sơn, Luong Son District
Phu Thien Phat Hoa Binh Company Limited
Cụm công nghiệp xã Đồng Tâm, Xã Đồng Tâm, Lac Thuy District