Chien Thang Building Materials Production Company Limited
khu Tân, Xã Tinh Nhuệ, Thanh Son District
Bao Son Joint Stock Company
khu 7, Bãi San, Xã Yên Lãng, Thanh Son District
Hop Kim Sat Phu Tho Joint Stock Company
Khu 5, Xã Giáp Lai, Thanh Son District
Hai Dang Mineral Manufacturer Joint Stock Company
Khu 8, Xã Giáp Lai, Thanh Son District
Nui Hung Joint Stock Company
Xóm Lào, Xã Hương Cần, Thanh Son District
Manh Dung Phu Tho Company Limited
Thôn Đồng Phú, Xã Thạch Khoán, Thanh Son District