- M s Soltech Energies Pvt Ltd
- M s Sunlit Energy System
- M s Surya Bandhan Power Solution Pvt. Ltd
- M s Suryalok Solar Enterprise
- M s Synergy Renewable Energy Pvt Ltd
- M s Tata BP Solar
- M s Victor Solar
- M sBhattacharyya Engineering
- M T Trading
- M Usman
- M. K. SHIPPING & CHARTERING COMPANY
- M.K ROY AND BROS PROJECTS LIMITED
- M.N.International
- M.S.Plasto Pvt. Ltd.
- M/s Aleena Comercial Pvt Ltd
- M/s Durga Industries
- M/S MAA ENTERPRISES
- M/S MECON LIMITED
- M/S NESAR AHMED & CO.
- M/S Paritosh Biswas
- M/s. Geotehnique Consultants
- M/S. SAHIL INTERNATIONAL SERVICES
- M/s.Chandika Iron And Steel Company
- Ma Shakambari Chemicals Pvt Ltd
- Maa Duraga Sindigates Supplier
- Maa Jaya Trading Company
- Maa Kali Enterprise
- Maa Kalyani Paper House
- Maa mangala stores suppliers
- MAA Sarwamangala Iron Stores
- MAA SHARADA ENTERPRISES
- Maa Tara Dry Cleaner
- Maa Tara Enterprise , Kolkata
- Maa Tara Udogy
- MAA VAISHNAVI ACETYLENE GAS PVT LTD
- Maanheruka Group
- Mace Global Corporation
- MACHINE TOOLS CENTRE
- MACO Corporation India Pvt Ltd
- Madan Mohan Industries LLP
- Madhogaria Paints Manufacturing Co
- MADNANI ENGINEERINGS WORKS
- MADOORIE TEA ESTAE PVT LTD.
- MAGMA FINCORP LIMITED
- Mahabeer Industries
- Mahabharat Motors Manufacturing Company Pvt Ltd
- Mahabharat Motors Mfg Co Ltd
- Mahadeb Chadra Trading
- Mahalaxmi Enterprises
- MAHARAJA GLOBAL
- Maharaja Traders Kolkata
- Maharekha Enterprise
- MAHAVIR AGENCIES
- Mahavir Developers
- Mahesh Prasad Sharma & Co.
- Mahindra & Mahindra Ltd.
- MAINCHIN CHEMICALS PRIVATE LIMITED
- Maithan Ceramic Limited
- Maithan Steel & Power Ltd
- MAITY JEWELLERS
- Majumder Traders
- Makeen Energy India Pvt. Ltd
- Mallcom India Ltd
- Mallick Enterises
- Mallick Laboratory
- Malwa Garage (Kol)
- Manaksia Limited
- MANDAL ENGINEERS AND COMPANY
- Mandal Laboratory
- Maneesh enterprise
- Mangalam Lubricants Pvt Ltd
- Mangalam Timber Product Ltd
- Manglam Venture Assam
- Mani Bosh
- Manish Trading Co
- Manjushree Enterprises
- MANJUSHREE INNOVATIONS PVT. LTD
- Manna Aqua Industries
- Manobina Enterprise I Pvt Ltd
- Manoj Singhal Design Group
- Manorama Hospitex Pvt Ltd
- Mansac Green Fuel LLP
- Marcons maritime pvt. ltd.
- MARCUS OILS & CHEMICALS PVT. LTD
- Marine Container Maintenance
- Marine Container Services (I) Pvt.Ltd.(Kol)
- Marine Corporation Of Iindia
- MARINE CRAFT ENGINEERS
- MARINE ELECTRONICS AND NAVIGATION SYSTEM PVT. LTD. (HALDIA)
- Marine Marketing Services KOLKATA
- Marine Suppliers Corporation
- MARINECRAFT ENGINEERS PVT LTD
- Maritime Overseas -Kolkata
- Massa Bamboo Industries LLP
- MASTER ELECTRICALS
- Mata Enterprises
- Material management dept. paradip port trust
- MATIX FERTILISERS AND CHEMICALS LTD
- MATRUKRIPA ADVERTING AGENCY
- MAX PAINTS