- CRYSTAL ENGINEERS & BUILDERS LTD.
- Address:181 / 1 West Kafrul
- Beta-Tech Engineering Services
- Address:House: 121 (3rd Floor) , Road-19 / A, Block: E, Banani
- Energypac Power Generation Ltd.
- Address:Energypac Power Generation Ltd. 79, Shahid Tajuddin Ahmed Sharani, Tejgaon I / A
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