B.S. Engineering Corporation
117, Raja Dinendra Street
Kolkata- 700004, West Bengal (India)
L. M. Engineering Machinery Co. Pvt. Ltd.
No. 321, Lake Town, Block - A
Kolkata- 700089, West Bengal (India)
B. S. Engineering Enterprise
No. 17/10E, Mall Road
Kolkata- 700080, West Bengal (India)
Nexgen Electro Equipments
No. 4/ 13, Prince Golam Md, Shah Road, Tollygunge
Kolkata- 700033, West Bengal (India)