- Ananya Habitat
- ANCHERIL AGENCIES (cochin)
- Anchor Marine Services
- ANCO INDIA CHEMICALS PVT. LTD
- Andes Marketing Private Limited
- Aneez - Air Conditioning
- ANEKVARNA AGENCY
- Anil , Chennai
- Anish Enterprises
- Anita
- Anjali Marine
- Anmol shrusti
- Annachi Soaps
- Annai Appan Associates
- Annai Marine
- Annai Mary Enterprises
- Antony Builders
- Anu Auto Electricals And AC Service
- ANU CLEANING PRODUCTS
- Anwar Traders
- APEX INDUSTRIAL PRODUCTS LTD.
- Apex Logic Controls
- APEX SANITECH SYSTEMS
- APL (India)Pvt Ltd
- APPASAMY ASSOICATES
- APPASWAMY REAL ESTATES LTD
- APPEX INDUSTRIIAL PRODUCTS
- Appollo Marine Shipchandlers
- Appu & Co
- Aqua Base Container Services
- Aqua Care Systems
- Aqua Designs India Pvt. Ltd
- Aqua Engineers and Consultants India Pvt Ltd
- Aqua Fresh
- Aqua Star RO Systems
- AQUA TECH SYSTEMS
- Aquaa World
- Aquapure Chemicals
- Aquarious Water Solutions
- AR Enterprises, Chennai
- arasu hyundai
- Arasur Builders
- Arch Shipping Services
- Archean Group / Good Earth Maritime Ltd
- Aricent
- Arihant Foundations
- Arihant Marketing
- Aristo Shipping Services
- ARK LINE
- Arka Homes
- ARKAY AGENCY
- AROCHEMA INGREDIENTS PVT LTD
- Arrow Shipping
- Arrummula Constructions
- ARS ENERGY P LTD
- artemis cars
- Artha Builders Homes
- ARUCHEM / chemical cleaning cont ( POTASSIUM BROMATE MANUFACTURER )
- Arudra Engineers Pvt Ltd
- Arul Murugan Rig Service
- Arun Chemical Company
- Arun Constructions
- Arun Plasto
- Arun Tech Impex
- Arya Offshore Services Pvt Ltd.
- AS Enterprises
- Asean Shipstores Chennai
- Ashapura Group Of Industries (Che)
- Ashok Foundations
- Ashok Hardware And Allied Products
- Ashok Leyland
- Ashok Raj Impex Pvt Ltd
- Ashok Steel Industries
- Ashvar Builders & Promoters
- Asia (Chennai) Engineering Company Pvt Ltd
- Asian Reprographics Pvt Ltd
- Asian Tyre Retreaders
- AsianTiger Lines India Pvt Ltd
- ASK ENGINEERING
- ASL Builders
- ASM & CO
- Asmi Mobile World
- Aspin Wall & Co Ltd
- Asr Aqua Industries
- ASR Resin & Chemicals Co
- Aston Fine Chem
- Astrazeneca Pharma India Ltd.
- ASVINI FOUNDATIONS
- Aswhin Agencies
- Aswin Builders
- Aswin Rubber Consultants
- Aswini Printers
- Athi Homes
- Athreya Homes P Ltd
- ATLANTIC SHIPPING PVT LTD chennai ennore port
- ATLANTIC SHIPPING PVT. LTD.(cochin)
- Atlantic Shipping Pvt. Ltd., chennai
- Atlantis Marine International Services
- ATS ELGI LIMITED
- Audi India Ltd (Chennai)