Siliceous Technologies Pvt. Ltd.
Suite 1011, Level 10, Krishna Building, 224 AJC Bose Road
Kolkata- 700017, West Bengal (India)
Conceptronics
8B, Raja Naba Krishna Street
Kolkata- 700005, West Bengal (India)
SSK Enterprise
Ranchandrapur, P. O- Bonhoogly
Kolkata- 700103, West Bengal (India)
Becon Engineering Corporation
No. 37, Netaji Subhas Road, 1st Floor
Kolkata- 700001, West Bengal (India)
Sinha Brothers
No. 29, Jagannath Sur Lane
Kolkata- 700001, West Bengal (India)