- Tan Vuong Technology Co LTD
- Address:37 / 209F Quang Trung
- TAM DINH Co.,LTD
- Address:299 G21 A2.3 Street, hamlet 2, An Phu Ward, District 2, HCM City, Viet Nam
- An Phuc Electrical Equipment Co., Ltd
- Address:012 Thai An 2 Building, Nguyen Van Qua St.
- VIET SAO COMMUNICATION
- Address:Dinh Le
- tuan phuong joinstock company
- Address:155 To Hien Thanh
- Smart card solutions
- Address:Phan Huy Ich Street
- KTECH VIET NAM TECHNICAL COMPANY LIMITED
- Address:No#6 Hamlet, Trang Viet Commune, Me Linh Dist
- TOJI GROUP
- Address:No 34 Bac Ha Urban - Nguyen Trai Street - Thanh Xuan District
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