Dai Son Thanh Mineral Exploitation and Trading Construction Joint Stock Company
Số 311 Văn Cao, Phường Đằng Lâm, Hai An District
Minh Dang Stevedoring Transportation and Trade Services Limited Company
Thôn Trạm Bạc, Xã Lê Lợi, An Duong District
Thai Long Minerals Joint Stock Company
Thôn Đá Bạc (nhà ông Trần Văn Nam), Xã Lưu Kỳ, Thuy Nguyen District
Trieu Phong Trading and Service Joint Stock Company
Số 158 Hai Bà Trưng, Phường An Biên, Le Chan District
Đội 4, phố Mới, Xã Tân Dương, Thuy Nguyen District