B.S. Enterprise
BG-07, Sector-2, Salt Lake City
Kolkata- 700091, West Bengal (India)
Joy Krishna Engineering Works
Arupara P.O., G.I.P. Colony, Ramrajatala South East Railway Station
Howrah- 711112, West Bengal (India)
Star Valve Manufacturing Co.
P- 949, Shanpur, Dasnagar
Howrah- 711105, West Bengal (India)
R. K. Ghosh & Son
P- 15, Natabar Paul Road
Howrah- 711105, West Bengal (India)
Riddhi Siddhi Udyog
15a Rajendra, Prasad Sarani
Kolkata- 700001, West Bengal (India)
Balazi Button Stores
43, P.P Roy Street,
Kolkata- 711106, West Bengal (India)