Tan Thien Joint Stock Company
Đồi Chè Nham, Xã Ngọc Thiện, Tan Yen District
Thien Phuoc Investment Joint Stock Company
Thôn 7, Xã Việt Lập, Tan Yen District
Dai Cat Minerals Exploiting And Construction Joint Stock Company
26 Phố Mới, Thị Trấn Cao Thượng, Tan Yen District
Vuong Dung Company Limited
Thôn Trại Mới, Xã Ngọc Châu, Tan Yen District