National Engineering Works
No. 23, Sankar Ghose Lane
Kolkata- 700006, West Bengal (India)
Sarbamangala Engineering Works
Howrah Amta Road, Balitikuri, Kalitala
Howrah- 711113, West Bengal (India)
Aalok Metals & Minerals
No. 40, Strand Road, 2nd Floor, Room No. 43- A
Kolkata- 700001, West Bengal (India)
Panja Industries
H. I. T. Road, Kamardanga, Ichapur
Howrah- 711104, West Bengal (India)
R. M. Engineering Industries
No. 1, Ghosh Para Lane, Salkia, No. 121/1, Beneres Road
Howrah- 711106, West Bengal (India)