Collegepara (Gobindanagar), Thakurgaon-5100, Bangladesh.
ESDO House, Plot- 748, Road- 8, Adabor, Dhaka-1207, Bangladesh.
Head Office: esdobangladesh@hotmail.com, info@esdo.net.bd
Head Office: +8802589931214, +8801714-063360
Dhaka Office: +880258154857, +8801713149259
