Tamil Nadu has a strong presence in industries such as:

• Auto components: Tamil Nadu is home to many major auto component manufacturers, including Ashok Leyland, TVS Motor Company, and Sundaram-Clayton. The state is also a major exporter of auto components.
• Cement: Tamil Nadu is the second-largest producer of cement in India, after Gujarat. The state has a number of large cement plants, including those operated by LafargeHolcim, ACC, and Ambuja Cements.
• Chemicals and fertilizers: Tamil Nadu is a major producer of chemicals and fertilizers. The state has a number of large chemical plants, including those operated by Grasim Industries, IOCL, and HPCL.

The state’s strong presence in these industries is due to a number of factors, including its skilled workforce, its infrastructure, and its proximity to markets.