Precision Balance India (Kolkata)
No. 6, Wood Street, Ground Floor
Kolkata- 700016, West Bengal (India)
RaRiA Scientific Instrument Company
No. 114- B, C. R. Avenue Near Calcutta Medical College
Kolkata- 700073, West Bengal (India)
Control Engineers
No. 27/3, M.C Garden Road, P.O-ghughudanga Near Tinytot School
Kolkata- 700030, West Bengal (India)
Dhona Instruments Private Limited
No. 89, Jawaharlal Nehru Road, Ground Floor Taher Mansion, 2nd Floor
Kolkata- 700001, West Bengal (India)
K. Roy & Co.
No. 58/32, Prince Anwar Shah Road Lake Garden
Kolkata- 700045, West Bengal (India)