Chennai has a diversified economic base anchored by the automobile, software services, hardware manufacturing, health care and financial services industries.[1] According to the Confederation of Indian Industry, Chennai is estimated to grow to a US$100 billion economy, 2.5 times its present size, by the year 2025.[259] As of 2012[update], with ₹ 1 lakh crore investment in the pipeline over 5 years, the city is poised for major industrial investment.[260] Chennai is classified as a global city by GaWC, with a ranking of Beta[261] based on the extent of global reach and financial influence.[262] It is estimated that about 400 financial industry businesses are headquartered in the city,[263] half of which are located in the areas of Mylapore, R. A. Puram, Nungambakkam and T. Nagar.[264]