Zenith Enterprises
No. 40, Strand Road, Ground Floor, Suite- 37, 41 & 42
Kolkata- 700001, West Bengal (India)
Eastern Tubes Company
No. 147/1/2, J. N. Mukherjee Road, Plot No. 32, Ghusuri
Howrah- 711107, West Bengal (India)
Sree Ram Tubes Company
No. 57 C, Karbala Tank Lane
Kolkata- 700006, West Bengal (India)
Natrick Drilltech
No. 57 C, Karabala Tank Lane
Kolkata- 700006, West Bengal (India)
Calcutta Refrigerators Corporation Mining & Drilling DIVS
No.1/2, Baman Para Lane, Flat No. 6
Kolkata- 700019, West Bengal (India)
Sova Electric Works
No. 17/15/5, Jahar Lal Dutta Lane
Kolkata- 700067, West Bengal (India)
Swastic Enterprise
Altara, Hooghly
Kolkata- 712139, West Bengal (India)
Vineet Trading Corporation
193 , B Muktaram Babu Street
Kolkata- 700007, West Bengal (India)