- India Govt. Mint
- Haldia Dock Complex
- Indian Association for the Cultivation of Science (IACS)
- Kolkata Port Trust
- Saha Institute of Nuclear Physics
- Victoria Memorial
- ESI (MB)
- GRSE Ltd
- WBHS
- Income tax Gazetted Officers Association
- WBPDCL
- Balmer Lawrie
- Bharat Petroleum Corporation Ltd.
- CESC
- GAIL India
- IOCL (Marketing Division)
- IOCL (Refinery Division)
- ITC Limited
- HPCL
- ONGC
- RBI
- Tata Steel Ltd
- DIC India Ltd
- NTPC Ltd.
