- Surya Alloy Industries Limited
- Surya Marine Services
- Surya Nepal Pvt Ltd
- Svaksha Distillery Limited
- SVC Consultancy Services
- SVR Marine Ship Chandler
- Swach Enterprises
- SWADESH BIOFUEL PRIVATE LIMITED
- Swagatam Trading Company
- Swagatika Mohanty Shipchandler Paradip
- Swapnonil Enterprise
- SWASTIC INDUSTRIES
- Swastik Engg. Co
- Swastik Refinery Pvt Ltd
- Swastik refinery pvt. ltd.
- Swastik stevedores pvt. ltd.
- SWASTIKA CONSTANT CARE
- Swati International
- SWETAPADMA TRADERS
- Sylvan Chemicals
- Synchro Pack
- Synergy Export
- Synergy Renewable Energy Private Limited
- T P WATER SOLUTIONS
- T.p. roy chowdhury & co.pvt.ltd. (Haldia)
- Taj Bengal
- Talbot And Co
- Tanjim Scientific & Medical company
- Tanu Trading Company
- Tara International
- Tara marine syndicate
- Tarsons Products Pvt Ltd
- TARSONS PRODUCTS PVT. LTD.
- Tarun Lubricants Pvt. Ltd
- Tasneem enterprises
- Tata Bluescope Steel Limited
- Tata Metaliks Ltd (TML)
- TATA PIGMENTS LIMITED
- Tata Steel BSL Limited, Hosur
- Tata Steel Tubes Divn
- Tatra Allied Product
- TCG LifeSciences Pvt. Ltd
- TDC Industries
- Techmens Chemicals Pvt Ltd
- Techno CAD Engineering
- Techno Corporation
- Techno Industrial Products
- Techno Solution Oil
- TEE DEE ESS CONSTRUCTION
- TEFL Resource Management Group
- Tega Industries Limited
- Teretex Trading Pvt Ltd
- TESTING INSTRUMENTS MANUFACTURING CO. PVT. LTD
- Texmaco Nymwag Rail and Components Private Limited
- TFARM PVT. LTD.
- Thakur Engineering Works
- Thakur Traders
- THCo India Pvt Ltd
- The Asiatic Oxygen and Acetylen Co Ltd
- The Bengal Petroleum Co
- The Comfort Group
- The Ganges Printing Co Ltd
- The Ganges Rope Co Ltd
- The Himalaya Drug Company
- THE INDIAN CHEMICAL CORPORATION
- The jupiter & co.
- THE LIBERTY MARINE SYNDICATE PVT. LTD.
- THE LIBERTY MARINE SYNDICATE PVT.LTD.
- THE MIKE SUPPLY CORPORATION INDIA
- The National Iron & Steel Co Ltd
- The National Small Industries Corporation Limited
- The Phosphate Company Ltd
- The Progressive Enterprise India Ltd.
- THE SHALIMAR WORKS LTD.
- THE SHM STORE
- The Spring Club
- The Tinplate Company of India Ltd (TCIL)
- The Waxpol Industries Ltd
- The West Bengal Power Development Corporation Ltd
- Tibrewala Dye Chem
- Tide Water Oil Co I Ltd
- Tide Water Oil Company India Ltd
- Times Ferro Alloy Ltd
- Times Technoplast
- TINA DRESESS PVT LTD
- Tirana Aquate
- TIRUPATI AND TIRUPATI FASTENERS
- Titan Engineering Company Private Limited
- Titan Ship Chandler
- Tiwari Iron & Steel Co
- TL Enterprise
- TM and Brothers
- TM INTERNATIONAL LOGISITCS LIMITED
- TMB Shipping Pvt. Ltd.
- TMI CHEMICALS LLP
- TOOLSCO
- TOP Metals Limited
- Touch Luck Steel Incorporation
- TRACO ENTERPRISES
- Trade Start Global Private Limited