H. T. Nano Concern
3, Beneras Road, Salkia
Howrah- 711106, West Bengal (India)
Jainco Transmission Limited
Dhanshree Tower, 70, Diamond Harbour Road, Suit No. 3B & 3C
Kolkata- 700023, West Bengal (India)
Cosmic Engineers
No. 16, Rameshwar Malia 1st Bye, Lane
Howrah- 711101, West Bengal (India)
Joy Tara Iron Works
Village Post - Jujersha
Howrah- 711302, West Bengal (India)