Ets Intarlaken Technologies
5th Floor, No. 117, BT Road
Kolkata- 700108, West Bengal (India)
Petroleum Equipments Manufacturing Industries
13A, Umacharan Mitra Lane
Kolkata- 700003, West Bengal (India)
Geotech Instruments Inc.
No. 38, Bosepara, Post Office Chandannagar Hooghly
Chandannagar- 712136, West Bengal (India)