Unique Instruments Corporation
No. 41, B. B. Ganguly Street, Near Central Metro Station
Kolkata- 700012, West Bengal (India)
Goettfert-Dataphysics Instruments India Private Limited
P-84A, C.I.T. Road, Scheme 4-M
Kolkata- 700010, West Bengal (India)
Imperial Precision Instruments
Faran House, First Floor, No. 37, Imdad Ali Lane
Kolkata- 700016, West Bengal (India)
Vishnu Dayal Shaw
No. 35/ A, Nirmal Chandra Street, Near Hind- Fame
Kolkata- 700013, West Bengal (India)