SPB Engineers (India)
LG-009 & 060, V. I. P. Market, P-187 Scheme VI-M, C. I. T. Road
Kolkata- 700054, West Bengal (India)
Techno Lab & Instrumentations
No. 24/H - 4, Yogipara Lane
Kolkata- 700006, West Bengal (India)
G. E. Motors (Pvt.) Ltd.
13/1, G. T. Road, Sheoraphuli
Hooghly- 700001, West Bengal (India)
Delta Technologies
No. 103/7, West Rabindra Nagar P.O. West Rabindra Nagar, Near Milan Chakra Club
Kolkata- 700065, West Bengal (India)
Crown Electromechanical Private Limited
St James School
Kolkata- 700016, West Bengal (India)