Tube Investments of India Ltd. (TII ) is a leading engineering company and part of the Murugappa Group. The Group has 28 businesses and Headquartered in Chennai. The major Companies of the Group include Carborundum Universal Ltd., Cholamandalam Investment and Finance Company Ltd., Cholamandalam MS General Insurance Company Ltd., Coromandel International Ltd., Coromandel Engineering Company Ltd., E.I.D. Parry (India) Ltd., Parry Agro Industries Ltd., Tube Investments of India Ltd., and Wendt (India) Ltd. 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.