Shankar Engineering Corporation
21, Parsee Church Street, Opposite 18 Ezra Street, Business Communication Centre, 1st Floor Room No. 12, Near Tea- Board Of India
Kolkata- 700001, West Bengal (India)
P.p. Enterprise
57, Ganesh Chandra Avenue
Kolkata- 700013, West Bengal (India)
The Scientific Apparatus Company
No. 40 - A, Chaulpathy Road, P. O. Beleghata
Kolkata- 700010, West Bengal (India)
Mamata Machine & Tools
Khanberia Ashuti Kalitala Auto Stand, Near Pen Company P.O. Ashuti, Maheshtala
Kolkata- 700141, West Bengal (India)