- Leitner Shriram Manufacturing Limited
- Vestas Wind Technology India (P)Ltd
- Gamesa Wind Turbines Private Limited
- Suzlon Energy Limited
- Regen Powertech Private Limited
- CLP India Private Limited
- Gamma Green Power Pvt Ltd
- Madras Cements Ltd
- Clarion Wind Farm Pvt Ltd
- Best Corporation Ltd
- Nupower Renewables Ltd
- The Metal Powder Company Ltd
- Fenner (India) Limited
- Prima Products Pvt Ltd
- Sundaram Non- Conventional Energy System Ltd
- Kanishk Steel Industries Ltd
- Bharat Heavy Electricals Ltd
- Sree Vinayaga Enterprises
- Bharath Wind Farm
- M.M.Forgings Ltd
- Winever Energy Pvt Ltd
| - Chettinad Morimura Semiconductors Materials Pvt Ltd
- Deccan Cements Ltd
- Raja Muthiah Chettiar Charitable &Educational Trust
- The Andhra Sugars Ltd
- Priyadarshini Spinning Mills Ltd
- SAS Enterprises
- Poongodhai Textile Mills
- Abc Bearings
- SAV Construction
- Sundaram Fasteners Ltd
- Sintex Industries Ltd
- Sree Narasimha Textiles (P) Ltd
- Tulsyan Nec Ltd
- Sundram Fasteners Limited [Autolec]
- Aluminium Powder Company Ltd
- Associated Stone Industries (Kotah)Ltd
- Sree Lakshmi Venkateswara Spinning Mills (P) Ltd
- Gomathy Power Company
- Super Spinning Mills Limited
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