- TCS
- CTS
- Tamilnadu Newsprint and Papers Limited, Karur
- Tamilnadu Cements Corporation Limited, Ariyalur
- Hyundai Motor Limited, Sriperumpudur
- Ford India Limited, Chengalpet
- Sundaram Clayton Limited, Hosur
- Lucas-TVS Limited, Chennai
- TVS Group of Companies
- Titan Induatries Limited, Hosur
- Brakes India limited, Polambakkam
- TVS Motor Company, Hosur
- Rane Brake Lining limited, Trichy
- Webco-TVS (India) Limited, Chengalpet
- TVS Sundaram Industries Limited, Maraimalainagar
- Aquasub Engineering, Coimbatore
- Sakthi Auto Components
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- Lakshmi Machine Works Limited, Coimbatore
- DSM Soft Private Limited, Trichy
- Cooper Bussmaan Limited, Puducherry
- Sundaram Auto Components Limited, Sriperumpudur
- Sundaram Fasteners Limited, Hosur
- SRF Limited, Manali
- Eureka Forbes limited, Chennai
- Tractors and Farm Equipment Limited, Chennai
- Ucal Fuel Syatem Limited, Pondicherry
- Concorde Motors [India] Ltd, Chennai
- Dynamatic Technologies Limited, Sriperumpudur
- Exide Industries Limited, Hosur
- Nokia Siemens Network Pvt. Ltd.
- Wipro Infrastructure Engineering, Kancheepuram
- Nubula Computers [P] Ltd, Chennai
- Care IT Soution Pvt. Ltd., Chennai
- Carborundum Universal Limited, Hosur
- Chettinad Cement Ariyalur
- Accel Frontline Limited, Chennai
- Pricol, Coimbatore
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- LMW, Coimbatore
- Rajashree Sugars & Chemicals Limited, Villupuram
- Easun Rayrolle Limited, Hosur
- Hydro S&S Industries Limited, Pondicherry
- Kyungshin Industrial Motherson Ltd., Sriperumpudur
- Sakthi Developments Coy, Thiruvanmiyur
- Addison and Company Limited, Irunkattukottai
- Sakthi Industries, Erode
- Genau Extrusions, Hosur
- Turbo Energy Limited, Paiyanur
- Rice Lake Weighing Systems India Ltd, Chrompet
- Cabot-Sanmar Limited, Mettur
- Avalon Technologies Pvt Ltd., Thambaram
- NSK Press Works Pvt Ltd., Ambatthur
- Tafe Access Limited, Kelambakkam
- IP Rings Ltd., Maraimalainagar
- Elite Electro Medical Equipments Pvt Ltd., Madurai
- Sharda Motor Industries Ltd., Chengalpet
- Sungwoo Gestamp Hitech Chennai Ltd., Chennai
- TT Assembly India Pvt Ltd., Oragada
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