C2K Communication Hongkong Limited
No. 188, Sector A, Metropolitan Chingrihata, 3rd Floor
Kolkata- 700105, West Bengal (India)
Shashibhushan Chatterjee & Sons
No. 3/2, Dixonlane
Kolkata- 700014, West Bengal (India)
Star Technology
P 69A Green View Road
Kolkata- 700084, West Bengal (India)
Tejas Infocom
Kalyangarh More, North No. 24, Parganas
Ashoknagar Kalyangarh- 743222, West Bengal (India)
Mitra Infotech
No. 4B, Peary Mohan, Sur Garden Lane, Beliaghata
Kolkata- 700085, West Bengal (India)
Dhanuka Infotech
42, Burtalla Street, 2nd Floor
Kolkata- 700007, West Bengal (India)