G. K. Enterprise
No. 86/1B, East Sinthee Road
Kolkata- 700030, West Bengal (India)
Ecowest International
No. 108, GT Road East, Canara Bank Building
Asansol- 713303, West Bengal (India)
S.A. Traffic Safety
Monohar Pukur Road B/108 H/9 Tollygunge Road
Kolkata- 700026, West Bengal (India)
Control Devices, Kolkata
No. 9A, Hari Pal Lane, Behind Scotish Church College
Kolkata- 700006, West Bengal (India)