P K De & Associates Private Limited
B. L.- 97, Sector No. 2, Salt Lake City
Kolkata- 700091, West Bengal (India)
Mythcon
Mahendra Enclave, BL-B Space 4 & 5 AA-32, P Kanan
Kolkata- 700101, West Bengal (India)
Logical Infosystem
No. 134, Parmar Road
Kolkata- , West Bengal (India)
Drillers & Engineers
32A/47, Suren Sarkar Road
Kolkata- 700010, West Bengal (India)
Tookas Enterprises
35, A. P. C. Road
Kolkata- 700009, West Bengal (India)