Quotient Engineering, Inc. Calcutta, India
Infinity Think Tank, Tower I Plot A3, Block Gp, Sector V, Salt Lake
Kolkata- 700091, West Bengal (India)
Balmerlawrie & Co Limited
P 43, Hide Rode Extension
Kolkata- 700018, West Bengal (India)
Bengal Marine & Offshore Services
No. 33/1, Netaji Subhas Road, Marshal House, 9th Floor, Room No. 932
Kolkata- 700001, West Bengal (India)