Thirumalai Chemicals Limited (TCL), started production of Phthalic Anhydride in 1976 in Ranipet, in South India.

Since then, it has grown into a diverse and respected enterprise, rapidly expanding into the manufacturing of many other critical Industrial Chemicals: Maleic Anhydride, Fumaric Acid and Malic Acid and various Fine Chemicals and Derivatives.

TCL have a strong manufacturing base capable of delivering quality products, with excellent logistics and technical support, at competitive prices.

Today TCL ranks among the largest producers in the world in all its core products.