- Shri Sendur Murugan Chem Tech Namakkal
- SHRI THULASI ENTERPRISES
- Shri Venkateswara Traders
- SHRIRAM ENTERPRISES PVT LTD
- SHRIRAM POWER SYSTEM IN TAMILNADU
- Shrusti Builder
- Shruthi Constructions
- Shyntec Control
- Sicagen India Limited
- Sicagen India Ltd
- Sical Infra Assets Limited
- Sical Logistic Limited
- SICGIL INDUSTRIAL GASES Ltd
- Sidharth Foundations & Housing Ltd
- Sidharth Sales Agencies
- Siemens Ltd,Chennai
- Sifa Motors Pvt Ltd
- SIGMA CORPORATION
- Sigma Enterprises, Cochin
- Sigma Technologies
- Sikaraa Housing Pvt. Ltd
- Simpcon Developers
- Simple and Smart Solutions
- Sindhu Hostel
- SING SWEE BEE ENTERPRISE PTE LTD
- Singhvi Tyres
- Siraaj Habibulla, Chennai
- Siremull Hirachand's Tyrestore
- Sirius shipping company ltd.
- Sivakumar Homes
- SJ Treder
- SK Developers
- Ska Marine Services Pvt. Ltd
- SKB ENGINEERING SYSTEMS
- Skitech Automation
- SKJ Decor Concrete (Tamil nadu)
- SKN Chemicals
- SKY HIGH CONSTRUCTIONS P LTD
- sky line logistics
- Sky Line Shipping & Logistics Pvt.Ltd
- Sky Win Developers
- Skyler Biotech India
- SKYLINE SHIP SUPPLIES
- SMART MARINE SERVICES PVT LTD
- Smart Ship Suppliers
- SMART SOURCE TECHNOLOGIES
- SMIK Trading & Services
- Smile Shipping Services
- SMP Industries
- SMShahidulIslamRipon
- SNI
- SOBHANA CHEMICAL PRIVATE LIMITED
- Solara Active Pharma Sciences
- Solvdemar Ltd
- Somu Solvents Pvt Ltd
- Somya
- Sona Koyo Steering Pvt Ltd
- Sonrisa Pharmaceutical Pvt ltd
- Soumiya Watch Store
- SOUTH EAST CONSTRUCTIONS
- South Ganga Waters Technologies Pvt Ltd.
- South India Bearing Co
- South India Corporation (Agencies) Limited
- South India Trading Co
- South Star Shipping Pvt. Ltd.
- Southern Academy Of Maritime Studies Pvt.Ltd
- Southern Allianz Shipping Agencies
- Southern Boilers & Equipments Pvt Ltd
- Southern Hardware Private Limited
- Southern Petro Chemical Industries Corpn
- Southern Properties & Developers
- Southern Railway (Chennai Division)
- Southern Railway Engineering
- Southtrans Shipping Services Pvt.Ltd
- SPA WATER SOLUTIONS
- SPAC Starch Products India Limited
- Space Age Storage System Intregation
- Space Tech
- Sparktech
- SPE Homes Pvt Ltd
- SPEC
- SPECHEM INDIA PVT LTD
- Speedway Inc
- Spence and Company Chennai
- SPIC Ltd
- Spicejet
- Spiralen Bio Systems Private Limited
- Sprungz Flooring Solutions
- sps hyundai
- SPS Lacworld
- SPS Vaikunth Realty (P) Ltd.
- SR (I) Tech
- SR Enterprises Chennai
- SRA Land Developers
- Sree Agencies
- Sree Ganapathy Enterprises
- Sree Lakshmi Constructions
- Sree Nivas Build Tech India Pvt Ltd
- Sree Venkateswara Industries
- SREEPADAM INDUSTRIES