Several Petrochemical companies like Chennai Petro Chemicals Limited (Manali Refinery), Manali Petrochemicals, Petro Araldite and Orchid Pharmaceuticals are situated in the outskirts of Chennai.
A cluster of petrochemical firms, including Chennai Petro Chemicals Limited (Manali Refinery), Manali Petrochemicals, Petro Araldite, and Orchid Pharmaceuticals, are situated in the periphery of Chennai.