Pham Gia Hung Telecommunication Company Limited
Khối 3, Thị Trấn Diễn Châu, Dien Chau District
BA Thuan Company Limited
Km7+500, Quốc lộ 7A, Xã Diễn Thắng, Dien Chau District
Hoang Hieu Mobile Company Limited
Nhà ông Hoàng Thanh Hiếu, xóm 5, Nam Lâm, Xã Diễn Lâm, Dien Chau District
Minh Duc Telecommunication And Trading Company Limited
Khối 8, Thị Trấn Cầu Giát, Quynh Luu District
Mai Phuong Nghe An Company Limited
Khối Ái Quốc, Phường Quỳnh Phương, Hoang Mai Town
Tu Phuong Telecommunication Company Limited
Xóm 4, Xã Nam Giang, Nam Dan District
Anh Dan Telecommunication Company Limited
xóm Vạn An, Xã Vân Diên, Nam Dan District
Tuyet Hoai Company Limited
Xóm 4, Xã Nam Lộc, Nam Dan District
Trung Loan Telecommunication Company Limited
Ngã tư, Xã Công Thành, Yen Thanh District
Thuy Van Telecommunication Service Private Enterprise
Thôn Bích Thị, Xã Thanh Giang, Thanh Chuong District