British Indian Engineering Stores
No. 11, BBD Bag East
Kolkata- 700001, West Bengal (India)
B. S. Syndicate
No. 4, R.N. Mukherjee Road
Kolkata- 700001, West Bengal (India)
Rainbow Technologies
4, IA-Market, Sector III Salt Lake City
Kolkata- 700091, West Bengal (India)
CASSAS Engineering
Kalikakhali, Math Chandipur
Kolkata- 721659, West Bengal (India)