Om International Traders
33/1, N. S. Road, Marshall House, 7th Floor Suit No. 703
Kolkata- 700001, West Bengal (India)
Precision Electro Instrumentation India Private Limited
No. 6, Ground Floor, Wood Street
Kolkata- 700016, West Bengal (India)
Geologists Syndicate Pvt.Ltd.
No. 137, Biplabi Rash Behari Basu Road, Canning Street, 1st. Floor, Room No. - 25
Kolkata- 700001, West Bengal (India)
Unique Instruments Corporation
No. 41, B. B. Ganguly Street, Near Central Metro Station
Kolkata- 700012, West Bengal (India)
S.D. Hardson Company
No. 106/B, Raja Denindra Street
Kolkata- 700004, West Bengal (India)
New Ghosh Industries
21 C , Madhu Roy Lane, No. 71, Kailash Bose Street
Kolkata- 700006, West Bengal (India)