Coteccons Tuan Tu Trading Construction and Service Joint Stock Company
Khu 6, Xã Hanh Cù, Thanh Ba District
Nguyen Binh Company Limited
Khu 2, Xã Ninh Dân, Thanh Ba District
Anh Ngọc Construction and Tradinh Company Limited
Khu 11, Xã Lương Lỗ, Thanh Ba District
Tgt Vietnam Company Limited
Khu 12, Xã Yển Khê, Thanh Ba District
Thai Hoang Cuong Joint Stock Company
Khu 2, Xã Hoàng Cương, Thanh Ba District