SPB Engineers (India)
LG-009 & 060, V. I. P. Market, P-187 Scheme VI-M, C. I. T. Road
Kolkata- 700054, West Bengal (India)
Synchro Electronics
P- 278, C. I. T Road, Scheme- VI M
Kolkata- 700054, West Bengal (India)
Tirupati Electronics
CS -77, Gol Bazar, IIT Purigate West Midnapur
Kharagpur- 721301, West Bengal (India)
Techno Lab & Instrumentations
No. 24/H - 4, Yogipara Lane
Kolkata- 700006, West Bengal (India)
Sys-Con Engineering
53b,Mirza Galib Street
Kolkata- 700016, West Bengal (India)
Laxman Group Of Engineers
Bazarpara, Uluberia
Howrah- 711316, West Bengal (India)