Caltronix
12, India Exchange Place Jute House, 3rd Floor
Kolkata- 700001, West Bengal (India)
Industrial Supply Syndicate
32 & 54, Ezra Street
Kolkata- 700001, West Bengal (India)
Techno Lab & Instrumentations
No. 24/H - 4, Yogipara Lane
Kolkata- 700006, West Bengal (India)
Ghara Device & Systems
Panskura, Purba-Midnapur
Midnapore- 700032, West Bengal (India)
Techno Scientific Company
No. 43/1/1, Chakraberia Road North, Neelkanth, Ground Floor
Kolkata- 700020, West Bengal (India)
Sayon Process
No. 54/2B, Raja Rammohan Roy Road
Kolkata- 700008, West Bengal (India)
Control Engineers
No. 27/3, M.C Garden Road, P.O-ghughudanga Near Tinytot School
Kolkata- 700030, West Bengal (India)