Unitech Water Technologies Pvt. Ltd.
Kailash Bhawan, 2nd Floor 32/1, Gariahat Road South
Kolkata- 700031, West Bengal (India)
Envirospec
77A / 72 Raja S. C. Mullik Road, P. O. Regent Estate
Kolkata- 700092, West Bengal (India)
Dominion Technologies & Consultants
155C, Kankulia Road
Kolkata- 700029, West Bengal (India)
Adhiacon
No. 58/67-A, Lake Gardens
Kolkata- 700045, West Bengal (India)
Batty & Co. Private Limited
No. 228, A.P.C. Road
Kolkata- 700004, West Bengal (India)