Khu Nghi Duong Lac Viet International Development Joint Stock Company
(Nhà ông Ngô Quang Chung) xóm Bùi Trám, Xã Hòa Sơn, Luong Son District
Thung Nai Travel And Investment Joint Stock Company
Xóm Mới, Xã Thung Nai, Cao Phong District
Dai Viet Travel Joint Stock Company
Xóm Phố Sấu, Xã Lạc Thịnh, Yen Thuy District
Cat Tuong Thien Luong Son Company Limited
Thôn Đồng Gội, Xã Hòa Sơn, Luong Son District
Hoa Binh Travel And Trading Investment Joint Stock Company
Xóm Mom, Xã Phú Minh, Ky Son District
Cao Son Trade and Service Joint Stock Company
Xóm Sèo, Xã Cao Sơn, Da Bac District
Thac Mu Ecology Travel Company Limited
Xóm Mu, Xã Tự Do, Lac Son District