The industrial hub of South India, Chennai, has a diversified economic base. The city’s economy largely depends on trade and industry. The main industries are automobile, software services, hardware manufacturing and financial services. The city’s software and biotech parks house companies like Infosys, TCS, Wipro, Satyam, HCL, EDS, Accenture, Sun Microsystems and HP.
The automobile industry of Chennai is huge. About 45 per cent of India's auto components and 27 per cent of the vehicle industry are located in Chennai. Global automobile giants like Hyundai, Ford, Mitsubishi, TVS, Ashok Leyland, Caterpillar, Royal Enfield, TI Cycles, TAFE, Dunlop, and MRF have their manufacturing units in and around Chennai. These industries provide enormous opportunities for employment for the people of Chennai and the whole country.
Chennai is also home to three large national banks and many state level co-operative banks. Several large financial and insurance companies have their headquarters in Chennai. Back office operations of many major banks are located in the city.
Chennai is called the textile hub of South India with large number of garment manufacture industries located in the Ambattur-Padi industrial zone in the northern suburbs of the city. The city also boasts of leather apparel and accessory industry. Special Economic Zones for apparel manufacture and footwear are under construction in the southern suburbs of the city. Chennai is home to the Tamil film industry which is second only to Mumbai film industry.
The city provides good facilities for the establishment of small scale industries. It has very liberal policy for setting up of industrial units.