Mackeil Ispat & Forging Limited
No. 5 A/1 A, Lord Sinha Road, Amarsudha Building, 2nd Floor
Kolkata- 700071, West Bengal (India)
Gopeshwar Iron & Steel Works (P) Ltd.
No. 39-A, Jorapukur Square Lane, 2nd Floor, Suit No. 3, Beside Girish Park & C. R. Avenue
Kolkata- 700006, West Bengal (India)
New Usha Engineering Enterprise
1/1 D, Biplabi Barin Ghosh Sarani, Murari Pukur Road
Kolkata- 700067, West Bengal (India)
Reform Ferro Cast Limited
No. 43, Motisil Street
Kolkata- 700013, West Bengal (India)