Nam Thang Investment and Constructions Joint Stock Company
Thôn Tân Nguyên, Xã Trung Nguyên, Yen Lac District
Viet Hung Construction Company Limited
Khu Phố Chợ, Xã Tam Hồng, Yen Lac District
Trieuquan Trading and Constructions Company Limited
Thôn Lâm Xuyên, Xã Tam Hồng, Yen Lac District
Yen Lac Investment and Trade Joint Stock Company
Xóm Cái, Thôn Lâm Xuyên, Xã Tam Hồng, Yen Lac District
Anh Vu Construction and Investment Joint Stock Company
Thôn Đại Nội, Xã Bình Định, Yen Lac District
Hien Phuong Trading and Training Consultancy Company Limited
Thôn Tảo Phú, Xã Tam Hồng, Yen Lac District