Smac Viet Nam Technology Joint Stock Company
141 Nguyễn Đình Chiểu, Phường 06, District 3
Toan Xuan Telecommunications Company Limited
21 Trần Quang Diệu, Phường 14, District 3
Toan Thinh Information Technology Services & Trading Company Limited
Tầng 14, Tòa nhà HM Town, 412 Nguyễn Thị Minh Khai, Phường 05, District 3
Viva Mobile Telecommunications Company Limited
Số 49 Phạm Ngọc Thạch, Phường 06, District 3