Cambridge Instruments & Engineering Company
55, Ezra Street, 4th Floor, Yamuna Bhawan
Kolkata- 700001, West Bengal (India)
Unique Instruments Corporation
No. 41, B. B. Ganguly Street, Near Central Metro Station
Kolkata- 700012, West Bengal (India)
Industrial Supply Syndicate
32 & 54, Ezra Street
Kolkata- 700001, West Bengal (India)
Vikas Instruments
No. 32, 2nd Floor, Ezra Street, Room No. 259
Kolkata- 700001, West Bengal (India)
Mags Electrical Components
8B, Ganesh Sarkar Lane, Kidderpore
Kolkata- 700023, West Bengal (India)