Petro - Lab Instruments
No. 31, Kedar Nath Banerjee Road, P. O. Ariadaha
Kolkata- 700057, West Bengal (India)
Unique Instruments Corporation
No. 41, B. B. Ganguly Street, Near Central Metro Station
Kolkata- 700012, West Bengal (India)
Petroleum Equipments Manufacturing Industries
13A, Umacharan Mitra Lane
Kolkata- 700003, West Bengal (India)
C. Tronix
P- 21, Bose Para Lane
Kolkata- 700003, West Bengal (India)
Lady Dona Tour & Travels Agency
317/2, Station Road(West) New Barrackpore
Kolkata- 700131, West Bengal (India)
Surya Instruments
28, Tara Chand Dutta Street, Ground Floor
Kolkata- 700073, West Bengal (India)