• Indian Institute of Technology
• Kalpena Industries Ltd.
• Bengal Chemical Pharmaceuticals Ltd.
• Bengal Saporji Housing Development Pvt. Ltd.
• Marawari Balika Vidyalaya Society
• Indian Institute Management of Calcutta.
• Essar Steel Limited
• P.C. Colour & Soft Fabrics Pvt. Ltd.
• Purple Advertising Services Pvt. Ltd.
• ACC Concert Ltd.
• Ultra Tech Cement Ltd.
• M/S Weilburger Coating (India ) Pvt. Ltd.
• Techo India
• Patton International Ltd.
• Gena Pharmaceutical Ltd.
• Malcom India Ltd.
• Plastolene Polymers Pvt. Ltd.
• Premium Energy
• Tega Industries Ltd.
• Birla Carbide.
• Growever Steel.
• Senpet India Ltd.
• Citizen Umbrella Mfg. Ltd.
• Wesman Ipsen Furnaces Pvt. Ltd.
• Govin Thermoplast Eng. Pvt. Ltd.
• Solux Gulfab (P) Ltd.
• Rahul Wood Works Pvt. Ltd.
• Salvan Firm Service Society
• Woodland Hospital & Medical Research Centre Ltd.
• Artland Hotel Pvt. Ltd.
• J.K.B. Gas Pvt. Ltd.
• Vivakananda Mission School
• Newby Teas Overseas (P) Ltd.
• Kalpana Industries Ltd.
• Diya Overseas (P) Ltd.
• New Maa Bhabani Ice Factory
• Joy Jaganath Ice Pvt. Ltd.
• IFB Industrial Ltd.
• Suraj Moulders Pvt. Ltd.
• Gurdian Laboratories Pvt. Ltd.
• Pailan Edication Trust
• Aparna Printers
• United Plasto Product Pvt Ltd.
• K.P.L. Plastic.
• Three Dimension
• Indian Metal Alloyed Mfg Co.
• Western Cans Pvt Ltd.
• Primier Diesel
• Adi Sakti Aloys Pvt. Ltd.
• Aim Eduction
• Jaganath Gupta Family Trust
• Madan Chemical
• Kharagpur,
• IIM, Calcutta
• Techno India
• Bengal Chemicals
• Quadra Hospital
• Sagar Dutta Medical College and Hospital,
• DAMA Hospital
• CMRI Hospital
• ESIC Hospital,Joka
• Precession Worship Builders
• Diamond Group Housing Project
• Prayag Film City
• Simplex Infrastructure Ltd [Metro Project]
• Rice Mill, Dull Mill,Flower Mill.
• Container Corporation of India Ltd [CONCORD (Rites Ltd) Rail Project [Majherhat,Kolkata],
• Indian Institute of Science And Research-Kolkata [IISER] ,Mohanpur Campus, Nadia, W.B.
• Garden Reach Ship Builders & Engineers Ltd [GRSE Project] through Pamposh Marketing & Projects Pvt Ltd.
• In the Real Estate & Housing Project- viz. P.S. Group, Atri Projects Ltd & Team Taurus.

Power Control Nigam

• Promising Estates Traders (P) Ltd
• Sagar Vyapap (P) Ltd.
• Eastern Equipments
• Sai Industries
• Sap Consultant
• Biecco Lawrie Ltd.
• Apcon
• BHP (1981) (P) Ltd
• Denimite Industries
• Hotel Sea Birds
• LA France
• M/S Solux (P) Ltd
• M/S Picasona Agriculture Product (P) Ltd.
• Weldtee Engineering
• Two Star Tannery
• Sundarbon Hachari (P) Ltd.
• Subarna Ashram.
• White & Brown Alloy Pvt. Ltd.
• White & Brown Alloy Pvt. Ltd.
• Tina Dresses
• S.T. Enterprise
• National Electric
• GTZ (India) Pvt. Ltd.
• Kumar Pinting Pvt. Ltd.
• Gama Hotel & Resorts Pvt. Ltd.
• D M P Project Pvt. Ltd.
• Hotel East Plase
• United Poly Pvt. Ltd.
• Sikha Agro Food Products Pvt. Ltd.
• Adishakti Alloys (P) Ltd.
• S.S.S. Rice Mills (P) Ltd.
• Precision Polyplast (P) Ltd.
• Prime Pules (P) Ltd.
• Premier Diesels (P) Ltd.
• Indian Metal
• Bhowmik Daying & Bleaching (P) Ltd.
• Sigma Search Lights Limited
• AKI Industrial Engineers (P) Ltd.
• Electrical Engineering Projects Co.
• Dipak Electricals
• Acnit Industries
• Dutch Tech
• Pranabananda Modern Rice Mill
• Chang Hing Tannery
• United Jute
• Liberty Fashion
• Best Safety
• Virgo International
• Tharmocool
• Decon
• Madan Chemicals
• Nisha Electricals
• Surina Impex
• Techno Grafic
• Middilton
• Sarder Electricals
• ARC Insulation
• Ben Fish West Bengal State Fishermen's Co - Operative - Federation Ltd.

Chakraborty Group

• Indian Institute of Technology
• Kalpena Industries Ltd.
• Bengal Chemical Pharmaceuticals Ltd.
• Bengal Saporji Housing Development Pvt. Ltd.
• Marawari Balika Vidyalaya Society
• Indian Institute Management of Calcutta.
• Essar Steel Limited
• P.C. Colour & Soft Fabrics Pvt. Ltd.
• Purple Advertising Services Pvt. Ltd.
• ACC Concert Ltd.
• Ultra Tech Cement Ltd.
• M/S Weilburger Coating (India ) Pvt. Ltd.
• Techo India
• Patton International Ltd.
• Gena Pharmaceutical Ltd.
• Malcom India Ltd.
• Plastolene Polymers Pvt. Ltd.
• Premium Energy
• Tega Industries Ltd.
• Birla Carbide.
• Growever Steel.
• Senpet India Ltd.
• Citizen Umbrella Mfg. Ltd.
• Wesman Ipsen Furnaces Pvt. Ltd.
• Govin Thermoplast Eng. Pvt. Ltd.
• Solux Gulfab (P) Ltd.
• Rahul Wood Works Pvt. Ltd.
• Salvan Firm Service Society
• Woodland Hospital & Medical Research Centre Ltd.
• Artland Hotel Pvt. Ltd.
• J.K.B. Gas Pvt. Ltd.
• Vivakananda Mission School
• Newby Teas Overseas (P) Ltd.
• Kalpana Industries Ltd.
• Diya Overseas (P) Ltd.
• New Maa Bhabani Ice Factory
• Joy Jaganath Ice Pvt. Ltd.
• IFB Industrial Ltd.
• Suraj Moulders Pvt. Ltd.
• Gurdian Laboratories Pvt. Ltd.
• Pailan Edication Trust
• Aparna Printers
• United Plasto Product Pvt Ltd.
• K.P.L. Plastic.
• Three Dimension
• Indian Metal Alloyed Mfg Co.
• Western Cans Pvt Ltd.
• Primier Diesel
• Adi Sakti Aloys Pvt. Ltd.
• Aim Eduction
• Jaganath Gupta Family Trust
• Madan Chemical