The Scientific Apparatus Company
No. 40 - A, Chaulpathy Road, P. O. Beleghata
Kolkata- 700010, West Bengal (India)
KN Welding & Engineering Works
246, Maniktala Main Road,
Kolkata- 700054, West Bengal (India)
Pharma Tech International
30, Chaulpatty Road, P. O. Beleghata
Kolkata- 700010, West Bengal (India)
Hindusthan Engineering Company
24, Hrishikesh Ghosh Lane, Salkia
Howrah- 711106, West Bengal (India)