P. D. Simpson & Co
No. 14, Ganesh Chandra Avenue Ground Floor
Kolkata- 700013, West Bengal (India)
Auro Industries Limited
No. 703 A, Block- P, New Alipore
Kolkata- 700053, West Bengal (India)
Transformers & Rectifiers (India) Limited.
No. 164/9/1, Prince Anwar Shah Road, P. O. Lake Gardens
Kolkata- 700045, West Bengal (India)
Electro Star
No. 22, Beleghata Main Road
Kolkata- 700010, West Bengal (India)
Bangla Bijuli Power Technolog Private Limited
No. 4/1A, Ambica Mukherjee Road
Kolkata- 700056, West Bengal (India)