Thirumalai Chemicals Limited manufactures and sells organic chemicals in India. It offers phthalic anhydride, maleic anhydride, malic acid, fumaric acid, and diethyl phthalate; and generates power from wind operated generators, as well as engineering and technical services. The company serves plastics, paints, food, cosmetic, and pharmaceutical industries. It also exports its chemical products to approximately 34 countries. The company was incorporated in 1972 and is based in Mumbai, India.