Tvt Environment Company Limited
Thôn Hoàng Nha, Xã Minh Hải, Van Lam District
Nam Phong Enviroment Company Limited
Thôn Nhân Vực, Xã Long Hưng, Van Giang District
Truong Giang Industrial Hygiene Joint Stock Company
Thôn Đan Nhiễm, Thị Trấn Văn Giang, Van Giang District
Xuan Mai Service and Trading Company Limited
Thôn Dương Xá, Xã Dương Quang, My Hao District