- Spyer Zone
- Address:3/3B, Soleman Plaza (5th Fl), Suite-11, Purana Palton
- Onestop Total Solution Limited
- Address:House No. 3B NE (N) , Road No. 88, Gulshan Model Town, Dhaka-1212
- multi security systems
- Address:Dhaka
- Unicode Technology
- Address:Suite # 3A, House # 40, Road # 01, Sector # 9, Utt
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