The boom in the chemicals space, including speciality chemicals, has given wings to entrepreneurs, both old and new. While Madhukar Parekh of Pidilite Industries tops the sectoral chart at ₹94,773 crore, Arun Bharat Ram of SRF comes second at ₹27,000 crore. The newest entrant in the club is Ashok Ramnarayan Boob of Clean Science.