Chemplast Sanmar – fifty years old and the flagship company of The Sanmar Group – is a major manufacturer of PVC resins, Caustic Soda, Chlorochemicals, Refrigerant gas, Industrial Salt, and Speciality Chemicals. The manufacturing facilities are located at Mettur, Berigai, Panruti and Vedaranyam in Tamil Nadu and Karaikal in the Union Territory of Puducherry. Chemplast has played a pioneering role in the field through its ingenious choice of feedstock and manufacturing processes, and efficient, eco-friendly practices. Its constant development of environment-friendly production processes has reduced the consumption of valuable natural resources.