- TNS Engineering Limited
- Address:110 Fakirapool, Motijheel
- Hydro Chemical Engineering
- Address:House# 2 / A, Road# 8, Baridhara Diplometic Zone
- BD power
- Address:
- Onnorokom Solutions Ltd
- Address:A R A Bhaban (3rd floor) , 39, Kazi Nazrul Islam Avenue, Karwan Bazar
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