Tube Investments of India Ltd. (TII ) is a leading engineering company and part of the Murugappa Group. The Group has 9 listed companies: Carborundum Universal Limited, CG Power & Industrial Solutions Limited, Cholamandalam Financial Holdings Limited, Cholamandalam Investment & Finance Company Limited, Coromandel International Limited, E.I.D. Parry (India) Limited, Shanthi Gears Limited, Tube Investments of India Limited and Wendt India Limited. Other major companies include Cholamandalam MS General Insurance Company Limited and Parry Agro Industries Limited. Tube Investments of India Ltd. is engaged in manufacturing of precision steel tubes and strips, car doorframes, automotive and industrial chains and bicycles. It operates through TI Cycles of India, Tube Products of India, TIDC India and TI Metal Forming and has many manufacturing facilities throughout India and is headquartered in Chennai, Tamil Nadu, India.