| Matrix Technologies Pvt. Ltd. | 8/1C, Chowringhee Lane, Room No. 2E, 2nd fl | Kolkata | 700016 | 2252 8/29 |
| Media Software | 61A, S.N.Roy Rd | Kolkata | 700034 | 24479580 |
| Metalogic Systems Pvt. Ltd | Plot-J1/1, Block-EP and GP, Sector-V, Salt Lake | Kolkata | 700091 | 2452 61/94 |
| MicroPro | 75C Park St | Kolkata | 700016 | 22468009 |
| Millennium Cyberworks | 13A, Govt. Place(east) | Kolkata | 700069 | 22481910 |
| Millennium Infosystems | 86, Ballygunge Place | Kolkata | 700019 | 24402194 24402 |
| MindEdge Solutions | #10, 7th fl, 8 Camac St | Kolkata | 700017 | 222821061 |
| Mindteck (India) Ltd. | SDF Bldg, Module No.529-530, 4th fl, Sec V, Salt Lake | Kolkata | 700091 | 2468 3/13 |
| Mohata Softwares Pvt Ltd | Chitrakoot Building, 6th floorRoom No -61, 230 A AJC Bose Road | Kolkata | 700020 | 22834351 |
| Navneet Information Technology Pvt. Ltd. | 65 and 66, Chitrakoot, A.J.C. Bose Rd | Kolkata | 700020 | 2400680 |
| Net Always | 152, S.N. Roy Rd | Kolkata | 700038 | 4588136 |
| Netcom Solutions | 29A, Southend Park | Kolkata | 700029 | 4645872 |
| NetguruIndia | E2,E3,E4, Block GP, Sec-V, Salt Lake | Kolkata | 700091 | 3573575 |
| Netwatch Online Pvt. Ltd. | DL 141 and 143, Sector-II, Salt Lake City | Kolkata | 700091 | 23370275 |
| NGS Solutions Pvt. Ltd. | 29B, Lake Temple Road | Kolkata | 700029 | 2463 91/92 |
| NIIT Technologies Ltd. | 6B, Pretoria Street | Kolkata | 700071 | 2282 1708/1533 |
| NIIT Technologies Ltd. (UNIT-II) | EM-4/1, Sector-V, Salt Lake | Kolkata | 700091 | 3212 5/9 |
| Octagon Software Technologies Pvt. Ltd. | 1st Floor, South Wing, Plot-X1-16, Sector-V,Block-EP and GP, Salt Lake | Kolkata | 700091 | 235749 1/2 |
| Ontrack Systems Ltd. | 276B, Lake Gardens | Kolkata | 700045 | 241784 34/35 |
| Optimal Computing Pvt. Ltd. | SDF Bldg, 3rd Floor, Module-412, Sector - V, Salt Lake | Kolkata | 700091 | 2357 4/7 |
| Paritosh Software and Information Tech. P. Ltd. | SDF Bldg, Module 128, Block-GP, Sector-V, Salt Lake | Kolkata | 700091 | 23575777 |
| PCL ( Pertech Computers Ltd.) | FD 254, Sec-III, Salt Lake | Kolkata | 700091 | 3214215 |
| Pecon Software Ltd. | 835, P Block, New Alipur | Kolkata | 700053 | 22100195 |
| Peerless Technologies Ltd. | SDF Bldg, Salt Lake Electronic Complex | Kolkata | 700091 | 2473773 |
| Pinnacle Infotech Solutions | S.S.B. Sarani, Bidhannagar, Durgapur | Kolkata | 343 2533250/51 | |
| Praxis Softek Solutions Pvt. Ltd. | SDF Building, 5th fl, Module 616, Block-GP, Sector-V, Salt Lake | Kolkata | 700091 | 23577473 |
| Price Waterhouse Associates (P) Ltd | Y14, Block EP, Sector V, Salt Lake | Kolkata | 700091 | 3573384-90 |
| Price Waterhouse Associates (P) Ltd | SukhSagar, 2/5 Sarat Bose Rd | Kolkata | 700020 | 4748523 |
| Quint Software Solutions | EC-5, SEC-I, Salt Lake | Kolkata | 700064 | 23581574 |
| R J Softwares | 1, Stephen House, 3rd fl | Kolkata | 700001 | |
| R S Software India Limited | A-2, 234/3A, A J C Bose Road | Kolkata | 700020 | 22475746 |
| RDG Systems | 27/A, Asutosh Chowdhury Avenue | Kolkata | 700019 | 24760478 |
| Rebaca Technologies Pvt. Ltd. | J-5, 3rd Floor, Block-EP and GP, Sector-V, Salt Lake | Kolkata | 700019 | 23577177 |
| Relate Software Pvt. Ltd. | 387, New Alipur, Block-G | Kolkata | 700053 | 245827 27-30 |
| Research Engineers Pvt. Ltd. | E2-4, Block-GP, Sector-VSalt Lake City | Kolkata | 700091 | 2357 3575/3662 |
| Soffront Software Pvt. Ltd. | STP-II, 1st Floor (East) Plot -53, Block-DN, Sector-V, Salt Lake | Kolkata | 700091 | 23673480 |
| Spear Networks | HB 290, Sec-III, Salt Lake | Kolkata | 700091 | |
| Standard Sowfware Pvt. Ltd. | 692B, block-O, New Alipore | Kolkata | 700053 | 24008804 |
| Stellar Corporation | 296-1, Bangur Ave | Kolkata | 700055 | 25745034 |
| Stesalit Infotech Ltd. | 25/1, Rustamji Street | Kolkata | 700019 | 2246 7984-87 |
| Stride Technology Pvt. Ltd. | 4th Floor, SDF Bldg, Module No. 533, Salt Lake | Kolkata | 700091 | 30932195 |
| Sumishi Webcom | 2A, 9E 5th Road, Santoshpur | Kolkata | 700075 | 24166023 |
| Sybernet Online | 138, B.R.B. Basu Road, 2nd Fl | Kolkata | 700001 | 22434979 |
| Synapse Communications | 113 Southern Avenue | Kolkata | 700029 | |
| Sys-Con Engineering | 53-B, Mirza Ghalib Street 2nd Floor | Kolkata | 700017 | 22297214 / 309 |
| Sysmetric (P) Ltd. | 387, New Alipur, Block-G | Kolkata | 700053 | 2407 1212/13/ |
| Atlas Software Technologies (India) Pvt. Ltd. | A1-4, Block-EP & GP, Sector-V, Salt Lake | Kolkata | 700091 | 2357-4324/25 |
| Avant Garde Software Pvt. Ltd. | DA-14, Sector-I, Salt Lake City | Kolkata | 700064 | 2334 5689/5527 |
| Avisere Technology (P) Ltd | 1st fl, Kripa Bhawan, Plot-Y20, Block-EP, Sec V, Salt Lake | Kolkata | 700091 | 30956688 |
| Avow Labs | 2, Lalbazar Street, #402 | Kolkata | 700001 | 22317612 |
| Axiom Technologies Private Limited | 34, Dr Sarat Banerjee Road, 1st Floor | Kolkata | 700029 | 2463-9725 / 2474-7501 |
| Azure Software Pvt. Ltd. | IA-9, Sector-III, Salt Lake City | Kolkata | 700091 | 2335-8895/96 |
| Bayrise Technologies Pvt. Ltd. | 3rd fl, DC-27/26, Sector I, Salt Lake | Kolkata | 700064 | 23589760 |
| BNK E. Solutions Pvt. Ltd. | Infinity, 4th fl,Plot A3, Block GP, Sector V, Salt Lake | Kolkata | 700091 | 2357 5194/95 |
| Brainware Consultancy Pvt. Ltd. | 17B Lake Place | Kolkata | 700029 | 24663531 |
| BRI Technologies Pvt. Ltd. | Module #233, SDF Bldg, 1st fl, Block GP, Sector V, Salt Lake | Kolkata | 700091 | 23577219 |
| Brick & Click Technologies Pvt. Ltd. | SDF Bldg, 5th fl, #634 & 635, Block GP, Sector V, Salt Lake | Kolkata | 700091 | 30944793 / 23572427 |
| CA-TCG Software Pvt. Ltd. | BIPPL, Building A, 2nd Floor, Block-EP andGP, Sector-V, Salt Lake | Kolkata | 700091 | 2357 5660-65 |
| Cadworld Infosystems Pvt. Ltd. | 770 Rajdanga Main Road, Rashbehari Connector | Kolkata | 700107 | 2441-3820 |
| Calkol Software Dev Pvt Ltd | Infinity Towers I, Block GP, Sector -V, Salt Lake | Kolkata | 700091 | 2357 2466/67/6 |
| Capgemini | Asyst Park, GN 37/1, Sector 5, Salt Lake Electronic City | Kolkata | 700091 | 6610 2400 |
| Chabria Infotech | 209, A.J.C. Bose Road | Kolkata | 700017 | 2280 2304,3375 |
| Cirrusweb Infotech Limited | 7A Hospital Street, 2nd Floor | Kolkata | 700072 | 22376528 |
| CMC Ltd. | 28, Camac St | Kolkata | 700016 | 2373 6151 |
| Cognizant Technology Solutions (CTS) | Plot GN-34/3,Sector-V,Saltlake Electronic Comple | Kolkata | 700091 | 23573211 / 23573213 |
| Computer Exchange | 24 Park St | Kolkata | 700016 | 2249 7405 |