Zen Marketing & Technologies
No. 46, Chittaranjan Avenue
Kolkata- 700012, West Bengal (India)
Cosmopolitan Services
No. 12/4/6, Ramkrishna Ghosh Road, Ground Floor
Kolkata- 700050, West Bengal (India)
Microtech Solutions
264/1, Block-A, Bangur Avenue Ground Floor
Kolkata- 700055, West Bengal (India)
Elite Group
No. 19/B/H/9, Canal West Road
Kolkata- 700006, West Bengal (India)
BVM Infotech
91/H/2, Dr. S. C. Banerjee Road,
Kolkata- 700010, West Bengal (India)
Modern Security Secret Service Private Limited
Taher Mansion , Mezanine Floor Room No. 3 , Bentinck Street
Kolkata- 700001, West Bengal (India)
Reminder Electronics System
No. 62, Cannel Side Road, Garia
Kolkata- 700084, West Bengal (India)
Konnect Systems Private Limited
No. 1506, Rajdanga Main Road, Shantipalli, East Kolkata Township
Kolkata- 700107, West Bengal (India)
World Of Technology
40,Girish Park, Opposite Hariyana Bhawan
Kolkata- 700006, West Bengal (India)
Earth Infotech
12-Nayaratan Lane,Foriapukure Near Shyam Bazar
Kolkata- 700004, West Bengal (India)
Heritage Infrastructures
86A, Topsia Road South
Kolkata- 700046, West Bengal (India)
Vishesh Automations Private Limited
No. 16D, Ashutosh Mukherjee Road, 3rd Floor
Kolkata- 700020, West Bengal (India)
Jetron Technologies
No. 8, Ganesh Chandra Avenue, Saha Court
Kolkata- 700013, West Bengal (India)
Fortune 9 Infosystems
No. 8, Barasat Road, Sodepur
Kolkata- 700110, West Bengal (India)
Ultra Tech Solution
No. 3/1/13, Atapara Lane
Kolkata- 700050, West Bengal (India)
S. A. Informatics Private Limited
No. 50, Weston Street, 1st Floor, Room No. 107
Kolkata- 700012, West Bengal (India)
Secura
104/1/15 Satyen Roy Road ,Behala
Kolkata- 700034, West Bengal (India)
Flexitech Services Pvt.Ltd
31, Ganesh Chandra Avenue, 4th Floor
Kolkata- 700013, West Bengal (India)
Paadrone Systems
No. 103, New Alipore Road
Kolkata- 700053, West Bengal (India)
Arrow Security Solutions
No. 12, Park Street, Queen's Mansion, 5th Floor, Suite No. 514, Gate No. 1
Kolkata- 700016, West Bengal (India)
Ketan Enterprises
9a,Mercantile Bldg,3rd Flr,Blk-E,Room-22, Lal Bazar St,
Kolkata- 700001, West Bengal (India)
Akash Telecom
481, L N Road, Rabindranagar
Kolkata- 700065, West Bengal (India)
Victor Electro Services
53/1/2,Shivangan, Nr Ballygunge Phari, Hazra Rd,, Ballygunge. 1st Floor, Shivangan Building
Kolkata- 700019, West Bengal (India)
Infocare IT World
26/1B, Bright Street
Kolkata- 700017, West Bengal (India)
S3 Fire Fighting Services Private Limited
No. 1, Swamiji Sarai, Goala Bagan,Ground Floor
Kolkata- 700048, West Bengal (India)
V C S Enterprises
9/2, Ekdalia Place, 2nd Floor.
Kolkata- 700019, West Bengal (India)
Trait Security
VIP Road
Kolkata- 700059, West Bengal (India)
Webel Electronic Communication Systems Limited
Block- DN, Plot- 53, Sector- V, Salt Lake City
Kolkata- 700091, West Bengal (India)
D. S. K. Business Management Consultancy
No. 128, New Tollygunge, Bisnu Pally New Tollygunge Telephone Exchange
Kolkata- 700093, West Bengal (India)
Tonex Electronics Telecom
Garia STN Road
Kolkata- 700084, West Bengal (India)