Bihar Refractories India
No. 1B, Jabakusum, 2nd Floor No. 34, Chittaranjan Avenue
Kolkata- 700012, West Bengal (India)
Sinomet Resources Co Limited
Ecospace Business Park, Unit 401A, Block 3 New Town Rajrahat, 24 Paragna
Kolkata- 700156, West Bengal (India)
Keshri Industries
No. 87, Dr. R. R. Road, P. O. Raniganj Burdwan
Raniganj- 713347, West Bengal (India)
Modern India Con - Cast Limited
No. 6 G, Everest 46/ C, Jawaharlal Nehru Road
Kolkata- 700071, West Bengal (India)
Minerex
No. 5, Kailash Saha Lane
Kolkata- 700007, West Bengal (India)