Phu Thai Trade and Construction Joint Stock Company
Thôn Hòa Mục, Xã Hoàn Long, Yen My District
Manh Dan Development Joint Stock Company
Thôn Đại Hạnh, Xã Hoàn Long, Yen My District
Vinh Kiem Khoai Chau Company Limited
Thôn Đông Kết, Xã Đông Kết, Khoai Chau District
Vinh Thu Hung Yen Company Limited
Thôn Cẩm Khê, Xã Liên Khê, Khoai Chau District
Quoc Chiem Construction Company Limited
Thôn Hồng Phong, Xã Tân Châu, Khoai Chau District