Quality Foundation
(Deshbandhu Para,Siliguri) - Geeta Bhawan , M.M. Dutta Road,Deshbandhu Para,Siliguri
Ultratech Environmental Consultants
(Salt Lake,Kolkata) - CG-229, Sector-2, Salt Lake,Kolkata
Filtrate
(Regent Park,Kolkata) - No. 3/29, Azadgarh,Regent Park,Kolkata
Dust Devils Overseas & Company
(Bhowanipore,Kolkata) - 1/10, Roop Chandra Mukherjee Lane, Bhowanipore, Bhawanipore,Kolkata
Industrial Testing & Safety Solution
(Dhakuria,Kolkata) - No. 168, Sarat Ghosh Garden Road, Dhakuria Near Dhakuria Railway Station,Kolkata
Centre for Applied Science and technology
(Salt Lake,Kolkata) - CD 246, 1st Floor, Sector-1, -,,Salt Lake,Kolkata
Bharat Foundation
(Garfa,Kolkata) - K. P. Roy Lane,Garfa,Kolkata