Happy Life Telecommunications Company Limited
Tầng 14, Tòa nhà HM Town, 412 Nguyễn Thị Minh Khai, Phường 05, District 3
Hkh Trading Service Engineering Company Limited
159/90/25 Trần Văn Đang, Phường 11, District 3
Bob Construction Consultant Company Limited
31 Phạm Ngọc Thạch, Phường 06, District 3