Biman Bangladesh Airlines Ltd

Office of Tax Commissioner, Chattogram

University of Dhaka

Land Record and Survey Department

Bangladesh Oil, Gas and Mineral Corporation (PETROBANGLA)

Chittagong University of Engineering and Technology -CUET

Office of District Commissioner, Feni

Eastern Refinery Ltd

Nuclear Power Plant Company Bangladesh Limited (NPCBL)

Bangladesh Railway

Bangladesh University of Engineering and Technology -BUET