Hazra Engineering Concern
95/1, Makardah Road, Shanpur Kalitala
Howrah- 711101, West Bengal (India)
S. A. M. Industries
Lakshmanpur Industrial Estate Lakshmanpur, Domjur
Howrah- 711114, West Bengal (India)
Rai Industries
No. 34, Dinu Lane, Kadamtala
Howrah- 711101, West Bengal (India)
Arvind Engg Works Limited
7 Lyons Range
Kolkata- 700001, West Bengal (India)
JSSL SPRING
No. 106, BT Road, ISI
Kolkata- 700108, West Bengal (India)