Chemplast Sanmar is over fifty years old and is a part of the SHL Chemicals Group, which in turn is a constituent of the Sanmar Group, one among the oldest and most prominent corporate groups in South India.Fairfax India Holdings Corporation (Fairfax) a well-known international investor led by Mr Prem Watsa, based in Canada, has invested, through FIH Mauritius Investments Limited, in the SHL Chemicals Group since 2016. It is a major manufacturer of Speciality Chemicals such as Specialty Paste PVC resin and Custom Manufactured Chemicals for agro-chemical, pharmaceutical and fine chemicals sector. The company also produces other chemicals such as Caustic Soda, Chlorochemicals, Hydrogen Peroxide, Refrigerant gas and Industrial Salt. The manufacturing facilities are located at Mettur, Berigai and Vedaranyam in Tamil Nadu and Karaikal in the Union Territory of Puducherry.