Prosi Thang Long:4th Floor, Kim Anh Building, No. 78 Duy Tan Street, Cau Giay Ward, Hanoi City, Vietnam
Prosi Sai Gon: No. 14/32/64, Street 53, An Hoi Tay Ward, Ho Chi Minh City, Vietnam
Prosi Viet Nam: Villa BT1-D39, Splendora Urban Area, Bac An Khanh, Son Dong Commune, Hanoi City, Vietnam