Ratan Dielectrics
No. 7A, Gurusaday Road, Ground Floor
Kolkata- 700019, West Bengal (India)
Power Mica Insulators
No. 36, Chaul Patty Road
Kolkata- 700010, West Bengal (India)
Solar Chemicals & Engineers
7/5, Bijoygarh, P.O.-Jadavpur University
Kolkata- 700032, West Bengal (India)
Sakti Mica Manufacturing Co.
3/5 A, Vivek Nagar, Near Vivek Nagar Kali Bari
Kolkata- 700075, West Bengal (India)