Supertron Electronics Limited
Supertron House, No. 2, Cooper Lane Opposite R. N. Mukherjee Road
Kolkata- 700001, West Bengal (India)
Balaji Solutions Limited
No. 19, R. N. Mukherjee Road.
Kolkata- 700001, West Bengal (India)
Computer India
No. 5, Khairu Place
Kolkata- 700072, West Bengal (India)
P. C. Technologies
No. 77A, Raja Nabo Krishna Street
Kolkata- 400005, West Bengal (India)
Sam International Infotech
11,Robert Street 1st Floor Near Bowbazar Police Station
Kolkata- 700012, West Bengal (India)