Starling Tubenest Engineering
No. 51, C. M. Road, Behala
Kolkata- 700053, West Bengal (India)
Chemplant & Engineering Services
28 A, Syed Amir Ali Avenue
Kolkata- 700017, West Bengal (India)
Transformers & Rectifiers (India) Limited.
No. 164/9/1, Prince Anwar Shah Road, P. O. Lake Gardens
Kolkata- 700045, West Bengal (India)
Integrated Data Systems
No. 32, Ezra Street, Shop No- 50
Kolkata- 700001, West Bengal (India)