Castro Engineering Pvt. Ltd.
W Road, Shanpur(Shibtala) , Dasnagar
Howrah- 711105, West Bengal (India)
Goettfert-Dataphysics Instruments India Private Limited
P-84A, C.I.T. Road, Scheme 4-M
Kolkata- 700010, West Bengal (India)
Aimil Limited
No. 686, Anandapur, E.M. By Pass, Shrachi Tower, C & D Block
Kolkata- 700107, West Bengal (India)