- Oilar Industrial Suppliers
- Oilfield Supplies & Services
- Oiltec
- OILTECH ENGINEERING (INDIA) PRIVATE LIMITED
- olympia honda
- Om Sakthi Airconditioning & Refrigeration
- OM Shakthy Agencies (Madras) Pvt. Ltd
- Omega Shipping Agencies Pvt.Ltd
- Omega Trading Company
- Omega Water Solutions
- Omne Agate Systems Pvt. Ltd. II
- On Technologies
- Onco Clinical Services
- ONWATER SHIPPING AGENCY PVT. LTD.
- Opal Asia Logistics(India) Pvt.Ltd
- Opera Housing Pvt Ltd
- Operational Energy Group India Private Limited
- Orchem Colours
- Orchid Housing Developers (P) Ltd
- Orchid Pharma Ltd
- Oren Hydrocarbons Pvt. Ltd, Chennai
- Oren Hydrocarbons Pvt. Ltd., Chennai
- Orient Flight School
- ORIENTAL EXIM AGENCY (Cochin)
- OSA Engineering Co. Pvt. Ltd
- Overseas Shipping Agencies
- Ozone Ship Management & Technical services Pvt Ltd
- Ozonetek Limited
- P GOVINDLAL AND CO
- P I Polymers
- P S Natarajan & Co.
- P.J JOHNSON & SONS
- P.R. Facility Management
- P2P Solutions
- Paaniyal Heavy Engineering And Fabrications
- Pace Builders (M) Pvt. Ltd
- Pacific Enviro Water Solutions
- Pacific Marine Services / Payment against delivery
- Packiraj
- PADMAJA IMPEX
- PALVE
- Pan Asia Logistics India Pvt.Ltd
- PAPAKA HERBS AND SPICES PRIVATE LIMITED
- Pappas Builders
- Paragon Chemicals
- Parambhariyam Wood Pressed Oil
- Paramount Builders (Chennai) Ltd.
- Paranthaman Exporters
- Parasuram Engineering Piping Works
- Parveen Travels
- Patiala Aviation Club
- Patil Rail Infrastructure Pvt Ltd,
- PATRIOT SHIPPING SERVICE
- Paul Abrao & sons
- Pavani Group
- Pearl Marine Services, Chennai
- Pearl Marine TUTICORIN
- Pearl Patch
- Pearl Shipping Agencies (Cochin)
- Peepul Capital LLC
- Peerless Shipping and Logistics
- PEETHAMBARI CHEMICALS
- Peirce Leslie
- PENGEO GLOBAL BUSINESS PVT LTD
- Peninsula Maritime
- Peninsular Honda
- PENNAR INDUSTRIES LTD.,
- PENNAR INDUSTRIES LTD.,
- PENTAGON CHEMICALS
- Pentagon Lubricants (India) Private Limited
- Pentagon sales and Services
- Penupatruni Kumar
- PEP Technology India
- Perfect Chloro System
- PERFECT DREDGING COMPANY PVT. LTD.
- Perfect Electronics Private Limited
- Perfect Hi - Tech Engineers
- PERIYAR BIO TECH PRIVATE LIMITED
- Pervel Water Management Solutions
- PEST RID NATURALS
- Petra Homes Pvt Ltd
- Petro Technical Supplies & Services WLL
- Petro6 Engineering & Constructions Pvt. Ltd.
- Petrochemical Engineering Enterprises
- Pfizer Pharmaceuticals
- PG Omega Enterprises
- PIMAR GROUP
- Pioneer Jellice India Pvt Ltd
- Pioneer Marine Services Pvt. Ltd
- Pioneer Polymers
- PIONEER PRINTING INK CO
- Pioneer Scooter Centre
- Pioneer Water Solutions
- Pipe Field
- Pipe Hangers & Supports Pvt ltd,
- Pixel print solutions
- PKS Water Tank Cleaning
- PLACON CHEMICALS PVT LTD
- Planet Pop Foods Pvt Ltd
- Plastic Engineering