Unique Instruments Corporation
No. 41, B. B. Ganguly Street, Near Central Metro Station
Kolkata- 700012, West Bengal (India)
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)
Sancia Global Infraprojects Limited
Diamond Chambers, 4chowringhee Lane Block No.2, 7th Floor, Unit No.7-I
Kolkata- 700016, West Bengal (India)
Surya Instruments
28, Tara Chand Dutta Street, Ground Floor
Kolkata- 700073, West Bengal (India)