Astratech Agency
263, Jodhpur Park, Ground Floor (S)
Kolkata- 700068, West Bengal (India)
Premier Infrastructure
No. 131 / 46, N. S. C. Bose Road
Kolkata- 700040, West Bengal (India)
Shapoorji Pallonji & Co. Limited
Mira Tower, 8th Floor, DN-27, Sector - V, Salt Lake
Kolkata- 700156, West Bengal (India)
Integrated Infrastructure Solutions
No. 10/2, Hungerford Street
Kolkata- 700017, West Bengal (India)
Arcain
Technical Cell, No. 7, Dr. Sundari Mohan Avenue, Mezzanine Floor
Kolkata- 700014, West Bengal (India)
Arcreation
352 Jessore Road, Laketown Green Park Block-A,
Kolkata- 700055, West Bengal (India)
Balmer Lawrie
No. 21, Netaji Shubash Road
Kolkata- 700001, West Bengal (India)
Sthapatya
CB-69, Sector- 1, Salt Lake
Kolkata- 700064, West Bengal (India)