Castro Engineering Pvt. Ltd.
W Road, Shanpur(Shibtala) , Dasnagar
Howrah- 711105, West Bengal (India)
Unique Instruments Corporation
No. 41, B. B. Ganguly Street, Near Central Metro Station
Kolkata- 700012, West Bengal (India)
Archana Enterprises
No. 8- C/1- E, Jogodyan Lane
Kolkata- 700054, West Bengal (India)
Goettfert-Dataphysics Instruments India Private Limited
P-84A, C.I.T. Road, Scheme 4-M
Kolkata- 700010, West Bengal (India)
Masterjee
20/1 Ballygunge Station Road Dakshinayan Building
Kolkata- 700019, West Bengal (India)