Sinomet Resources Co Limited
Ecospace Business Park, Unit 401A, Block 3 New Town Rajrahat, 24 Paragna
Kolkata- 700156, West Bengal (India)
Hindustan Produce Company
No. 7, Clyde Row, Hastings
Kolkata- 700022, West Bengal (India)
Hatim Carbon Company Private Limited
90, Ripon Street
Kolkata- 700016, West Bengal (India)
General Enterprises
21, Chandrabanu Street,
Kolkata- 700012, West Bengal (India)
Essem Enterprise
No. 7, Red Cross Place
Kolkata- 700001, West Bengal (India)
New Bharat Refractories Ltd.
181, Block G, New Alipore, 1- A Trikut Apartments
Kolkata- 700053, West Bengal (India)
RK Works
No. 156, Cotton Street
Kolkata- 700007, West Bengal (India)
Usha International, Kolkatta
No. 48 D, Mukta Ram Babu Street
Kolkata- 700007, West Bengal (India)