Tata Agrico,Tata Steel Ltd.
Tata Centre, No. 43, Jawaharlal Nehru Road
Kolkata- 700071, West Bengal (India)
Lall Behary Dey & Company
No. 44, Hidaram Banerjee Lane Ground Floor
Kolkata- 700012, West Bengal (India)
Satya Engineering Enterprises
No. 194, 1/3, G. T. Road North, Salkia
Howrah- 711106, West Bengal (India)
Hooghly Agro Biotech
Bahadurpur, Belmuri
Hooghly- , West Bengal (India)
Lakshmi Narayan Singha
No. 161, Netaji Subhas Road
Kolkata- 700006, West Bengal (India)