Tan Hung Thinh Construction Transport Joint Stock Company
Xóm Chiều Lai 1, Xã Thuận Thành, Pho Yen Town
Cong Huong Trading And Investment Joint Stock Company
Đường Minh Cầu, Tổ 11, Phường Phan Đình Phùng, Thai Nguyen City
trach nhiem huu han khoang san Viet Dung Company
Ga Lưu Xá, tổ 5, p. Phú Xá, Thai Nguyen City
Nam Viet Joint Stock Company Mining
Tổ 2, Thị trấn Hương Sơn, Phu Binh District
Tue Tam Thai Nguyen Company Limited
Xóm Cổng Đồn, Xã Cổ Lũng, Phu Luong District
Mo Lung Cho Stone Joint Stock Company
Xóm Lũng Chò, Xã Quang Sơn, Dong Hy District
Thu Hop Private Enterprise
Tổ 12, Thị trấn Trại Cau, Dong Hy District
Voi Quang Son Stone Exploiting Joint Stock Company
Thôn Đồng Thu, Xã Quang Sơn, Dong Hy District
Truong Phat Construction Company Limited
Tổ 6, Hồ Khu Tây, Phường Cam Giá, Thai Nguyen City