SKM Geosurvey
BK-130, Salt Lake, Sector- II
Kolkata- 700091, West Bengal (India)
Topo Survey India
Manas Bhumi By Lane Kolkata 79
Kolkata- 700079, West Bengal (India)
J.K. Project Services
D-1/18, Dakshinee Housing Estate
Kolkata- 700018, West Bengal (India)
Medleys Consortium Private Limited
3c Gopi Bose Lane, 1st Floor
Kolkata- 700012, West Bengal (India)