- N S ENGINEERING
- N S Trading Co
- N T P C F S T P P LIMITED
- N.C.Marine Syndicate
- N.F Forgings Pvt. Ltd
- Nagreeka Exports Limited
- Naina Overseas Enterprise
- Nalco Water India Pvt. Ltd.
- Nandaforgings Pvt Ltd
- NANTONG OCEAN SHIPPONG SUPPLY CO.,LTD
- Narayan Wires Private Limited
- NARAYANA INSTRUMENTS & CHEMICALS
- National Aluminium Co. Ltd. (NALCO)
- National Cargo Gear Bureau
- NATIONAL ENTERPRISES(BILASPUR)
- NATIONAL MOULDING CO LTD
- NATIONAL PLASTIC HOUSE HOLD (P)LTD
- National Power Engineers
- NATRAJ
- NATURE PURE WATER TECH CHEMICAL
- Nav Durga Chromatics Pvt. Ltd
- Navbharat Water Pvt. Ltd
- Navship marine services pvt. ltd.
- Nayyar Traders
- Ncgb marine pvt ltd
- Ncgb marine pvt.ltd.
- Neerava Hygiene Products India Pvt Ltd
- Neo Metaliks Limited
- Nestle India Limited
- NESTPRO
- Net Infotech System
- New Bharat Refractories Limited
- New India Stores
- New Seamtex Tubes Pvt Ltd
- Newave India
- Next Innovation
- Nexus Aircon Solution Pvt. Ltd.
- Nexus Enterprises
- NICHE SOLUTIONS
- NIHARIKA PAINTS & CHEMICALS PVT. LTD
- Nikkon Ferro Pvt Ltd
- Niladri Das
- NILGIRISH DERIVE
- Nilkantha Construction
- Nirmal Bakery
- NIRU ELECTRICALS
- Nirvana Enterprises,
- NISHIKA ROADLINES
- NISHIKA ROADLINES
- Nitin kaushik
- Nitu
- NIV TECH SOLUTIONS PVT. LTD.
- NIVEA INDIA PRIVATE LIMITED
- Nivy Remedies Private Limited
- Noble Enterprises Odisha
- Norinco Pvt Ltd
- NORTH EAST INSTITUTE OF SCIENCE AND TECHNOLOGY
- NOVUS INTERNATIONAL
- NSI CASTINGS PRIVATE LIMITED
- Numanuddin & Company
- Numeric Power Systems Limited
- Nutronics Instruments and Engineering
- Ocean Dyanamic
- Ocean Sparkle Limited (Haldia)
- Ocean Sparkle Ltd Gopalpur
- Ocean Sparkle Ltd. (Paradeep)
- Oceantech Marine Services Pvt Ltd
- Octopus Exim Private Limited
- OEC RECORDS MANAGEMENT COMPANY PVT LTD
- Offshore commodity trading
- Oil India Limited
- Olivia Ghosh
- Om Enterprises (Bihar)
- Om SAI Shipping & Clearing Agency
- OM SUPPLIERS
- Omera Petroleum Limited
- OMPRAKASH AND COMPANY
- On D Move
- Onamoy Healthcare LLP
- One Company
- Opera Electronics
- Orient Cement Ltd.
- Orient Industries
- Orient Paper and Industries Ltd
- Oriental Compressors Accessories Pvt Ltd
- ORIENTAL PEST MANAGEMENT PVT LTD
- Orion Pest Solutions Pvt. Ltd
- ORIPLAST LIMITED
- Orissa Stevedores Limited
- ORISTAR TECHNOLOGIES PRIVATE LIMITED
- Orsons Holding Co. Ltd
- Ortem Pvt. Ltd
- Ossosi Soap Industries
- Oswal Engineering and Chemical Company
- Overseas Trading
- OVOFARM PRIVATE LIMITED
- Oyshee Herbal
- P And L Enterprises
- P C Ghosh & Company Pvt Ltd
- P G Fabric