- Akshay Solutions
- Akshaya Solar Power India Pvt. Ltd
- AKSHOY KUMAR GHOSH & SONS
- AKVO Atmospheric Water Systems Pvt Ltd
- AL-AMIN & CO
- Alaknanda Sponge Iron Ltd
- Alap Carriers
- Albert David Pharma Products
- Alekh Marine & Naval Works
- Alfa Enterprises
- ALI MILL STORES
- Ali Traders
- ALLIED CENTRIFUGAL PUMPS PVT. LTD
- ALLIED CHEMICAL INDUSTRIES
- Alma Aquatech Pvt Ltd
- Almega Paints Pvt Ltd
- ALMETAL INDUSTRIES PVT LTD
- Alok Malik
- Alok Oil Industries Limited
- Alom Group Of Companies
- Alpha Impex
- Alpha Overseas International Pvt Ltd
- AMAKAN INDUCTION PRIVATE LIMITED
- Amalgamated Biotech
- Aman Automobiles
- Aman Trading Corporation
- AMAR UDYOG
- AMBICA DHATU PVT LTD
- AMBICA DHATU PVT. LTD
- Ambika Jute Mills Co Ltd
- Ambika Metallicks
- AMIT RAY MALAKAR
- AMIYA CORPORATION (I) PVT. LTD.
- AMREFO PVT LTD
- Amrit Cement Industries Ltd
- AMSONS EMPRESA
- Anand Auto
- ANAND ENTERPRISES
- ANAND LOGISTICS
- ANAND OIL COMPANY
- ANANTJIT FOODS LLP
- Anchor Electricals Pvt Ltd
- Angel Scientific Stores
- Angel Shipping & Clearing Agency Pvt Ltd
- ANIL KRISHNA DATTA
- Anjali Construction
- Anjana & Co.
- Anjani Enterprises
- Anjani Ship Suppliers
- Ankit India Ltd
- Ankit Metal & Power Limited (AMPL)
- Ankit Metal and Power
- Antara Agency
- Anubhav Biotech Ltd
- Anup Enterprises
- ANUP OVERSEAS CORPORATION
- Anupam Enterprises
- ANZ ENTERPRISE
- Anzen Exports Pvt. Ltd.
- AP CLEARING AGENCY PVT LTD
- Aparna Carbons Private Limited
- Apeejay Shipping Ltd
- APEX ENGINEERING (KOLKATA)
- Apex Shine Marketing & Services
- APS Industries
- Aqueduct Plastics (P) Ltd
- AR AR CHEMICALS PVT. LTD.
- Arabin Industries
- Arcelor Mittal India Limited
- ArcelorMittal Nippon Steel India Limited
- ARCL Organics Ltd
- Arjun Das & Sons Pvt Ltd
- ARMEN GEORGE & CO PVT LTD
- Arogya Sandhan Charitable Trust
- Aroti Enterprise
- ARRARR LOGISTICS
- ARRKAY DIESEL
- Arrow Security Solutions
- ARTI BAKERY PRIVATE LIMITED
- ARUN DYES CORPORATION
- Arun Electricals
- Arun Supply Agency
- Arvind Bearing Company
- Aryan Camicals , Kolkata
- AS Moolobhoy (Kol)
- AS Trading Company
- Asha Chemicals
- Ashapura Marinetech Pvt. Ltd.
- ASHIATICK
- ASHIM KR. CHATTERJEE & CO
- Ashoka Steel & Alloy Company
- Ashu Industries Pvt Ltd
- ASIAN FREIGHT UNIT OF ESANFREIGHT & TRAVELS PVT. LTD
- Asian Oil Private Limited
- ASIAN TRADING CORPORATION
- Asianol Biotech Pvt Ltd
- Asianol Shipping
- Asomi Charitable Trust
- ASPAC INDIA
- Assam Air Products Pvt Ltd