The Scientific Apparatus Company
No. 40 - A, Chaulpathy Road, P. O. Beleghata
Kolkata- 700010, West Bengal (India)
Sagittarians International Limited, Chennai
No. 46A, Rafi Ahmed, Kidwai Road
Kolkata- 700016, West Bengal (India)
National Engineering Industries
No. 2/2, Sashi Bhusan Basak Lane
Kolkata- 700036, West Bengal (India)
Modern Packaging System
3a, Garstin Place,
Kolkata- 700001, West Bengal (India)