Tube Investments of India Limited (Tube Investments) is a leading engineering company based in India. It is a wholly owned subsidiary of Murugappa Group. The company is engaged in manufacturing precision steel tubes and strips, car doorframes, automotive and industrial chains and bicycles. These products are marketed under the brand names HERCULES and BSA. In addition, the company also has its investments in Cholamandalam Investment and Finance Company Ltd. and Cholamandalam MS General Insurance Co. Ltd. It operates through four divisions namely, TI Cycles of India, Tube Products of India, TIDC India and TI Metal Forming. It has 16 manufacturing facilities throughout India. The company is headquartered at Chennai in Tamil Nadu, India.