Happy Fone Company Limited
20 Lê Văn Sỹ, Phường Hoà Minh, Lien Chieu District
Vu Nam Technology Company Limited
134 Nguyễn Khoa Chiêm, Phường Hoà Phát, Cam Le District
Bac Nam 79 Telecommunication And Technology Joint Stock Company
32 Lê Hồng Phong, Phường Phước Ninh, Hai Chau District
Tdi Telecommunication Computer Company Limited
235/35 Tiểu La, Phường Hoà Cường Bắc, Hai Chau District
Phoenix Telecom Solutions Limited Company
14 Tiểu La, Phường Hoà Cường Bắc, Hai Chau District