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- Bengal Engineering and Science University, Shibpur, Howrah
- Reserve Bank of India.
- Bharat Petroleum Corporation Limited.
- ITC Limited.
- I.B.P. Co. Ltd.
- Reliance Industries Ltd.
- The Kolkata Municipal Corporation
- West Bengal Tourism Development Corporation Limited.
- BENFISH, Dept. of Fisheries, Govt. of West Bengal
- Balmer Lawrie & Co. Ltd.
- West Bengal Transport Infrastructure Development Corporation Ltd.
- The New India Assurance Co. Ltd.
- Punjab National Bank.
- Allahabad Bank.
- Mr. Sourav Ganguly (former Captain of Indian Cricket Team)
- Ganguly Education & Welfare Society
- Kolkata-Delhi Truck Terminus Limited.
- The Indian Hotels Company Limited unit Taj Bengal, Kolkata
- MJM Nirman Pvt. Ltd.
- MJM Properties.
- Industry Resource Centre a division of M.L. Dalmiya & Co. Ltd.
- India Dairy Product on behalf of Amul.
- Sukura Health Care Pvt. Ltd.
- Nap Construction Pvt. Ltd
- Interkrafts, Dealer of Mercedes Benz
- NAHAR Design.
- Door Hardware Systems.
- Bareja International Private Ltd.
- Hari Machines Limited
- Sinosteel India Rolls Private Ltd. (A Govt. of China Organization)
- S.S. Enterprise
- S.S. Nirman Pvt. Ltd and many
- Public Works Dept. , Govt. of West Bengal
- Howrah Irrigation Division
- IIDC Ltd. ( formally ILFS Infrastructure Development Corporation Ltd.)
- Sai Infrastructure Pvt. Ltd. , Deoghar
- Wadia Techno Engineering Services Ltd. (formally Gherzi Eastern Ltd.)
- Bengal Srei Infrastructure Development Ltd.