- CERA ENGINEERING PRIVATE LIMITED
- CHAKRA ASSOCIATE PVT LTD
- Chambal Fertilisers & Chem Ltd. / India Steamship
- Chandan Chemical Industries
- CHANDRA'S CHEMICAL INDUSTRIES (1973) PVT. LTD
- Chandramukhi Impex Ltd
- Chem Tex Limited
- CHEMBAZER INDUSTRIES
- CHEMCOAT
- CHEMICALS INDIA COMPANY
- Chemicolour International Pvt Ltd
- CHEMISOL ANALYTIQUE
- CHEMTEX SPECIALITY LTD
- Chemtreat Technologies
- Chennai Marine Trading Pvt Ltd.
- Chloride Metals Ltd.
- Chowdhary Industries
- Chowgule Brothers Pvt. Ltd. (PARADEEP)
- Chowgule Brothers Pvt. Ltd. Office
- Chronicle Dry Cleaning
- Ciciko Office Machines Pvt Ltd.
- CLASSIC ELECTRODES INDIA LIMITED
- Classic Nova Pvt Ltd
- Clean and Green Solution
- CLEAN BIRD MAINTENANCE
- Cleanease
- Cleghorn & Company
- CLIFFORD FACILITY SERVICES PVT LTD
- Clone CropCare
- Clonezyme Biotek
- CMC Manufacturing Co Pvt Ltd
- CMJ Refractories and Minerals Pvt. Ltd.
- COAL INDIA LIMITED
- Colour Chromes Pvt Ltd
- Colour Chromes Pvt. Ltd
- Commercial India
- COMPARE FACILITY SUPPORT
- COMPASS SHIPPING & TRADING PVT LTD
- Concast Bengal Industries Ltd
- Concast Ispat Ltd
- Concrete Additives & Chemicals Pvt. Ltd.
- Connectwell Venture
- Consolidated fibres & Chemicals Ltd.
- CONTAINER CORPORATION OF INDIA LTD.
- CORPORATE ISPAT ALLOYS LIMITED
- Cosco India Shipping Pvt. Ltd
- Cosmic Ferro Alloys Ltd
- Cosmopolitan Services
- Cosmos Engineering Industries P Ltd.
- CPWD, Kolkata
- Craft Consultant
- Credence Engineering Co.
- CRI Limited
- CRPL INFRA PRIVATE LIMITED
- Crystal Shipping Corporation
- CSIR National Metallurgical Laboratory
- Customer account 3274
- Cuttack Iron & Steel
- D K Enterprises
- D R Financial Services Pvt Ltd
- D.B.SHAH & BROS.
- D.G MARKETING
- D.K Project Pvt Ltd
- Daas Merchants
- Daffodils Kolkata
- Daga Immitation
- Daga Metal Industries
- Daga Nylomet Pvt Ltd
- Daga Power Systems & Engineers Pvt Ltd
- Dai Mani
- DAKSH TRADING CORPORATION
- Dalmia Bharat
- Dalmia Cement (Bharat) Limited
- Damodar Valley Corporation
- Danauli Engineering
- Danfoth Enterprise
- DANGO $ DIENENTHAL(india) Pvt Ltd
- Danyal Accessories
- DARYAA SHIPPING AGENCY
- Das And Brothers
- Das Enterprise
- Datre Corporation Limited
- DDEV PLASTIKS INDUSTRIES LIMITED
- De Pester Company
- De Velodina Associates
- Debashis Bagchi
- Debi International
- Deblines (Pvt) Ltd
- Deblines Private Limited
- Debola Debi Krishi Yantra Udyog
- Debopriyo Sanyal Internet OPC Private Limited
- DECCAN ENTERPRISE
- DECONVERTER INDIA PVT. LTD
- Deem Roll Tech Limited
- Deepak Chatarjee Enterprises
- Deepak Fertilisers & Petrochemicals Corp Ltd
- Deeptak Enterprise
- Deepti Intex
- DELTA ENTERPRISE
- DELTA PLUS INDIA PRIVATE LIMITED