- International Air Transport Association (IATA), Canada
- Bird Education Society for Travel & Tourism, (for GDS Amadeus)
- CMA (Calcutta Management Association)
- AIMS
- ASSOCHAM
- Indian Chamber of Commerce
- Indo Italian Chamber of Commerce
- Nandikar
- Janhavi Performing Arts Centre
- Bikram Ghosh Academy
- British Council
- Change Initiatives
- Save our Children
- NEEDS
- Subex
- CDAC
- Quick Heal
- Cyberops
- TCSion
- National Cyber Safety & Security Standards
- Analytics Society of India
- Alliance Francaise
- Constellation Services
- Toonz Animation
- Indian Navy
- Optometry Council of India
- NoPaperForms
- Udaan Skills
- AMRI Hospitals Ltd.
- Medica Hospitals Pvt. Ltd.
- TECHNOSOFT GLOBAL SERVICES PVT. LTD
- Emami Pvt Ltd.
- Delnet (Developing Library Network)
- YES Bank
- Public Relation Society of India
- India Vision Institute
- Bausch & Lomb
- ESSILOR
- IEI Students Chapter for ME, ECE, CSE
- Innercircircle Advertising Pvt Ltd, Kolkata
- Crowsnest, Kolkata
- MSL, Kolkata
- British Council Library
- American Library
- Asia Centre, Bangkok
- Hafelle
- Berger Paints
- Pidlite Industries
- Raymonds Tailoring Centre
- Adobe
- Autodesk
- Analytics India Magazine (AIM)
- Amazon Educational Service (AES)
- Prometric