SPB Engineers (India)
LG-009 & 060, V. I. P. Market, P-187 Scheme VI-M, C. I. T. Road
Kolkata- 700054, West Bengal (India)
Teamwork CNS INC.
Tirupati Villa, 494B/A, East Sinthee Road, Dum Dum
Kolkata- 700030, West Bengal (India)
Aimil Limited
No. 686, Anandapur, E.M. By Pass, Shrachi Tower, C & D Block
Kolkata- 700107, West Bengal (India)
Diagno India
Bandhan- Absan, Flat No. 001 & 002, Ground Floor, Ad-288, Rabindrapally, Krishanpur, Near 7 No. FB
Kolkata- 700055, West Bengal (India)