- Munoth Tyre House
- Murtaza Barbhaya
- Murtaza Enterprises
- Murugapa Group
- My TVS
- N ANGAMUTHU
- N.G.Paper Industries
- Nachiya Residency Builders
- NADI Airtechnics Pvt. Ltd
- NADI Industrial Fans
- NAFFCO FZCO
- Nagappa Constrructions
- Nagarjuna Oil Corporation Limited
- Nagman Instruments & Electronics (P) Ltd
- Nagman Instruments & Electronics Private Ltd
- Nahar Foundations Pvt Ltd
- Nakoda Industries
- Nalco
- NALLI TRADERS
- Nanjil Industries
- Nantech Power Systems Pvt Ltd
- Nanu Beach Resorts Pvt Ltd
- Narayana Engineering Industries
- Narendra Properties Ltd.
- National Petro Chem
- National Steel Industries
- Natwest Estates Pvt Ltd
- Nautica Ship Supplies
- Nautilus Shipping India Pvt Ltd
- Navalmar Shpping ( India) Pvt. Ltd.
- NAVANEET AGENCY
- Navani Construction
- Naveen Builders
- Naveena Printing Mill
- Navigator ship supplies / Blue Marine Supply
- Navodaya Mass Entertainments Limited
- NAVTEK
- Navter Technologies
- NCH
- NCH India Pvt. Ltd
- NDS Supplier & Services
- Neatt & Clean
- Neddlloyd
- Nedumbassery Airport
- Neo Logistics
- Neo Ropes & Tickles (p)Ltd
- Neophyll Agrisciences Private Limited
- NEPC India Limited
- Neptune Refrigeration Co Pvt Ltd
- Nevron Life Science
- New City Builders
- New Crest Housing
- New Moon Commercials
- New Royal Studio
- New Shipping Kaisha Ship Management Pvt Ltd
- Neway Paints And Building Materials India Private Limited
- NewGen Bioscience Pvt Ltd
- NewShippingKaisha Ship Management Pvt Ltd
- NEWTECH SCIENTIFIC PRODUCTS
- NEYVELI LIGNITE CORPORATION LIMITED
- NIBAV LIFTS PVT LTD
- Nibin
- Nictech Engineering Pvt. Ltd.
- Nikkethan Housing and Constructions
- Nikkethan Housing and Constructions
- Niknam Chemicals Pvt Ltd Visakhapatnam
- Nile Marine Services / Nile Shipping & Trading Co. Pvt. Ltd./Gold Member
- Nile Ship Supplies
- NIREEKSHAN ENGINEERING SERVICES PVT LTD
- Nirma Steel & Engineering Company
- Nirmalyam Minerals pvt ltd
- Nisa Enterprise
- Nithya Realty Services Pvt Ltd
- Nivedha Constructions Pvt Ltd
- Nivedita Enterprise
- NO NO 87 METROPOLITAN TRANSPORT CORPORATIN(CHENNAI)LIMITED
- Noble Marine Services
- Noble Shipping And Logistic Pvt Ltd (Chennai)
- NPT OFFSET PRESS PVT. LTD
- NTPC Tamilnadu Energy Company Ltd
- Numero UNO Tyre Service
- NYK Line (Chennai)
- O.M.S.Motors Private Limited
- O.R. Santhanakrishnan
- Oasis Project and Services
- Ocean Cargo Services
- Ocean Construction Chemicals
- Ocean Engineering Department
- Ocean Healthcare Pvt Ltd
- OCEAN MARINE SERVICE
- Ocean Sparkle Limited
- Ocean sparkle limited (Che)
- Ocean Sparkle Ltd (Tuticorin)
- Oceanic Shipping
- Oceanic Shipstore Suppliers
- OCH Chemicals
- OCH Chemicals & Systems
- Ocimum Labs
- OEG India
- Oic Trading Corporation