- Maxtone Petrochemicals
- Mayaan
- Mazzak Inter - Trade
- MBM Fashion
- MCLEOD RUSSEL INDIA LIMITED
- McNally Bharat Engineering Company Ltd
- McNally Bharat Engineering company ltd.
- McNally Sayaji Engineering Limited
- McNROE Consumer Products Pvt Ltd
- MD Tradelinks Pvt. Ltd.
- MD. YAKOOB MD. YASEEN DISTRIBUTOR
- Mech Tech Engineering
- MECHANIX ELITE SOLUTIONS PRIVATE LIMITED
- MECHEM.TECHNO MACHINES
- Meeraki
- Mega Mejor Green Product Limited
- Meghalaya Power Ltd
- Meghna chemicals
- Mendine Pharmaceuticals Pvt Ltd
- Mercantile India Corporation
- Merchant Shipping Services Pvt Ltd
- MERCURY ENGINEERING & CO
- Meridian Paints Pvt Ltd
- MESCAB INDIA PRIVATE LIMITED
- METAL AND STEEL FACTORY
- METAL MANAGEMENT SOLUTIONS PRIVATE LIMITED
- MetaOre Recycler Pvt Ltd
- Metsil Exports Pvt Ltd
- MF Bearing Centre, Kolkata
- MH Shipping Service
- Micky Metals Ltd
- MID ASIAN SHIPPING SERVICES
- Mikas Custom
- Milestone Pharma
- Military Engineer Services, Kolkata
- Minchem India
- Mindrill System And Solutions Pvt. Ltd.
- Mineral India
- Mintochandra Das
- Minz Chemicals Pvt. Ltd.
- Mirza Bhai
- Miss Marcel
- MITRA AQUA
- Mitra S K Pvt Ltd
- MJ ENGINEERS
- MJ Enterprises
- Mjunction Services Limited
- Mn Life Care Products (p) Limited
- Modak Enterprises
- MODERN INDIA CON CAST LTD
- Modern Malleables Ltd
- Modern Travels
- Modi Agencies
- MOGLI LABS INDIA PVT LTD (KOLKATA)
- MOGLIX SAAS ENTERPRISE
- Mohameed Ali
- MOHAN ENTERPRISES
- Mohan Impex
- Mohan Impex Solutions Ltd
- Mohan Marine & Containers Services
- MOHD.SHAMIM
- MOHINI INDUSTRIES
- Mohit Bakers Pvt. Ltd
- Moksh Events Pvt Ltd
- MOLECULE CHEMTECH
- Molly Enterprise
- Moloobhoy & Sons, A S
- Moncheri Bioventures
- Moni Commodities
- MONO SCIENTIFIC
- MONOHARLAL COMPANY
- Monvelli Industries private Limited
- MOON ENTERPRISE
- Moon Shine Traders
- Moonlight Engineering Company
- Moreish Foods Limited
- Morris Balfour and Co
- Mother Dairy Fruit And Vegetable Pvt. Ltd
- MOTHER EARTH RESOURCES PRIVATE LIMITED
- MOTION CHEMICAL
- Motocad India
- Mousumi Enterprise
- MP COMMERCIAL INDIA PRIVATE LIMITED
- Mr. cleangaurd
- MritunjayStores
- Ms Angora Impex Limited
- MS Enterprises (Kolkata)
- MS FAVORICH LTD
- MS Perfumax
- MS Punam Energy Pvt. Ltd
- Ms.J.J. Exporters
- Muhammad Irfan Ali
- Mukesh Brothers
- MULLER AUTOMATION CO
- Multimode MarineContainers
- Munna Battery And Toto Parts
- Murali Krishna
- N A P Printers Private Limited
- N J Agency
- N R Trading