Tamil Nadu State Transport Corporation (Madurai) Limited · Metropolitan Transport Corporation (Chennai) Limited · Tamil Nadu State Transport Corporation Coimbatore Limited · Tamilnadu State Transport Corporation (Kumbakonam) Limited · Tamilnadu State Transport Corporation Salem Limited · Tamil Nadu State Transport Corporation (Villupuram) Limited · Tamilnadu Transport Development Finance Corporation Limited · State Express Transport Corporation Tamil Nadu Limited · Tamil Nadu State Transport Corporation (Tirunelveli) Limited · Tamilnadu Tourism Development Corporation Limited · Tamilnadu Corporation For Development Of Women Limited · Tamilnadu Urban Finance And Infrastructure Development Corporation Limited · Tamilnadu Sugar Corporation Limited · Tamilnadu Newsprint & Papers Limited · Perambalur Sugar Mills Limited · Tamilnadu Minorities Economic Development Corporation Limited · Metropolitan Transport Corporation (Chen Nai North) Limited · Tamilnadu Power Finance And Infrastructure Development Corporation Limited · Tamilnadu Civil Supplies Corporation · Pallavan Transport Consultancy Services Ltd