Nguyen Vong Company Limited
Tổ 09, Phường Hoà Xuân, Cam Le District
Anh Duong Environment Service Company Limited
Thôn Dương Sơn, Xã Hoà Tiến, Hoa Vang District
Green Environment Company Limited
41 Phạm Hồng Thái, Phường Hải Châu I, Hai Chau District