- VIET HONG HA COMMUNICATION CO., LTD.
- Address:B1/59H KHU PHO 2, NGUYEN CUU PHU STREET, WARD TAN TAO A - BINH TAN DISTRICT HOCHIMINH,
- Elcom Corporation
- Address:162/12 Binh Loi
- Viettel Printing Factory - Viettel Group
- Address:Duy Tan
- Nhut Hai Co., Ltd
- Address:2GH Ngo Tat To
- BAVITECH CORPORATION
- Address:42 Truong Son Street, Ward 2, Tan Binh District
- Asia Green Power Joint Stock Company
- Address:208 Hoang Hoa Tham Street, Ward 5, Binhthanh District Ho Chi Minh City,
- CTWel Technology
- Address:Hoang Quoc Viet, Hanoi, Hanoi, Vietnam,100000
- HD DEVELOPMENT TECHNOLOGY AND INVESTMENT JOINT STOCK COMPANY
- Address:6th floor, No10 Thien Hien
- PeaceSoft Solutions Cor
- Address:No 1, 149/3, Khuong Dinh Street, Dong Da Ha Noi, Ha Noi
- INET Telecom & Networking Technology Company
- Address:Thai Ha, Dong Da
- AIR TRAFFIC TECHNICAL COMPANY LIMITED (ATTECH)
- Address:5/200 Nguyen Son-Bo De Ward-Long Bien District
- Hanoi Electronics Cor
- Address:57 - Quang Trung Str Ha Noi, Viet Nam
- Khanh Vua Exco Company
- Address:Tng 6 s 739 ng Nguyn Vn Linh, Qun L Chn, Thnh Ph Hi Phng Vit Nam Hai Phong, Hai Phong
- NhatNam Ltd, .
- Address:Dien Bien Phu, Ha Noi, Ha Noi, Vietnam
- M3 COMMUNICATION ONE MEMBER LIMITED LIABILITY COMPANY
- Address:XUAN KHANH, HANOI
- T.C ELECTRONICS SOLUTION VIETNAM LIMITED COMPANY
- Address:Lot I-4b-6, N3 Street, HCMC Hi-Tech Park, Dist.9
- Namu International
- Address:
- IQLINKS
- Address:3rd Floor, 36 Hoang Cau Str. , Dong Da Dist.
- VNTOWER CORPORATION
- Address:19 Nguyen Trai
- Binh Tien Electric-Electronic-Iformatic Co., Ltd
- Address:30C Nguyen Cong Tru Hanoi,