Chem Maco
408, Jessore Road, Bus Stop, Barat Colony
Kolkata- 700055, West Bengal (India)
Rbj Industries, Kolkata
No. 31 - 1 - B, Amullya Charanpaul Street Post Ariadaha
Kolkata- 700057, West Bengal (India)
Oriental Engineering Co.
No. 111, Gopal Lal Tagore Road, Alam Bazar
Kolkata- 700035, West Bengal (India)
United Pharma Engineering Works
No. 2/4, Kedar Mukherjee Lane, Kantapukur, Kadamtala
Howrah- 711101, West Bengal (India)
Auro Engineering Co.
19 Kritiwasa Musker Road
Kolkata- 700067, West Bengal (India)