Precision Electro Instrumentation India Private Limited
No. 6, Ground Floor, Wood Street
Kolkata- 700016, West Bengal (India)
Unique Instruments Corporation
No. 41, B. B. Ganguly Street, Near Central Metro Station
Kolkata- 700012, West Bengal (India)
Geotech Instruments Inc.
No. 38, Bosepara, Post Office Chandannagar Hooghly
Chandannagar- 712136, West Bengal (India)