Nice Intelligence Security Bureau
CA- 226, Salt Lake City, Sector No. 1
Kolkata- 700064, West Bengal (India)
S2C Network Private Limited
No. 102, Jodhpur Garden
Kolkata- 700045, West Bengal (India)
Environ India
UNS 75, Unnayan Bengal Ambuja Commercial Complex 1050/1, Survey Park
Kolkata- 700075, West Bengal (India)
Jupiter Security
No. 1/1, Gorachand Road, Beniapukur, Near Beniapukur Police Station
Kolkata- 700014, West Bengal (India)
Tops Security Ltd.
P 8, 1st Floor, Above Allahabad Bank Building, C I T Road, Entally
Kolkata- 700014, West Bengal (India)