| Title | Country |
| Globsyn Infotech, Kolkata | India |
| Lee & Nee Software Ltd, Kolkata | India |
| Tatwa Technologies Ltd., Kolkata | India |
| IKYA Human Capital Solutions Pvt. Ltd., Kolkata | India |
| Red Hat, Kolkata | India |
| DPS India Pvt Ltd., Kolkata | India |
| Atlas HeathCare, Kolkata | India |
| Honeywell, Kolkata | India |
| A G Technologies Pvt Ltd, Kolkata | India |
| Canon India Pvt Ltd, Kolkata | India |
| Techprocess Solutions Ltd, Kolkata | India |
| Talisma Corporation Pvt. Ltd, Kolkata | India |
| Hcl Comnet Ltd, Kolkata | India |
| WDC, Kolkata | India |
| Magna Infotech, Kolkata | India |
| NET 4 INDIA LIMITED, Kolkata | India |
| Microtek House, Kolkata | India |
| MEKASTER, Kolkata | India |
| Melstar Information Technologies Ltd., Kolkata | India |
| MACMET, Kolkata | India |
| M N Dastur & Co.Ltd, Kolkata | India |
| LIPI DATA SYSTEMS LTD., Kolkata | India |
| Leading Edge Tech & Con P Ltd, Kolkata | India |
| Lastech, Kolkata | India |
| ITC Ltd, Kolkata | India |
| Intex Technologies (India) Limited, Kolkata | India |
| India Bulls, Kolkata | India |
| Fibcom India Ltd, Kolkata | India |
| EFY, Kolkata | India |
| Eclipse Combustion Pvt. Ltd, Kolkata | India |
| Convergent Communications (India) Pvt. Ltd.,, Kolkata | India |
| Consulting Engineering Services, Kolkata | India |
| Apar Technologies Limited, Kolkata | India |
| Ureka Technologies, kolkata | India |
| Vedika Software Pvt Ltd, Kolkata | India |
| Bitscrape Solutions Pvt Ltd, kolkata | India |
| Apt Software Avenues Pvt Ltd, Kolkata | India |
| Alliant Technologies Private Limited, kolkata | India |
| HCA Automation Affordable, Kolkata | India |
| Next Link (P) Ltd, Kolkata | India |
| Lauren Software Pvt. Ltd., Kolkata | India |
| Eduquity Career Technologies Pvt Ltd, Kolkata | India |
| Wipro Infotech, Kolkata | India |
| Trident Infotech, Kolkata | India |
| Tata Interactive System, Kolkata | India |
| Team Lease, Kolkata | India |
| Webtek Labs Pvt Ltd., Kolkata | India |
| Surlin Consultants Pvt Ltd, Kolkata | India |
| TVS Electronics Ltd., Kolkata | India |
| Computer Associates International, Inc., Kolkata | India |