Indian Oil Corporation Limited – TNSO,
Indian Oil Corporation Limited – KASO
Indian Oil Corporation Limited – KESO
Bharat Petroleum Corporation Limited –Mysore, Karur & Chennai.
Hindustan Petroleum Corporation Limited – Chennai.
Steel Authority of India Limited – Salem,

National Highways Authority of India
TVS & Sons (P) Ltd – Madurai, Salem,
Hatsun Agro Product Limited, - Tamilnadu.
Salem Dioceses society Bishop house
Mahendra Educational Trust - Namakkal
Vasavi Educational Trust – Salem