Chennai is the third largest software exporter in India, next only to Bangalore and Hyderabad. India's largest IT park is housed at Chennai. Software exports from Tamil Nadu during 2017–2018 rose 8.6% per cent to touch 1,11,179 crore, involving a workforce of 780,000, and the city is the hub for deep tech startup companies. Many software and software services companies have development centres in Chennai, which contributed 14 percent of India's total software exports of ₹ 14,42,140 lakh during 2006–07, making it the third largest Indian city software exporter following Bangalore, Hyderabad and the city is the home for 7 top rated IT companies out of 15 in India. The Tidel Park in Chennai was billed as Asia's largest IT park when it was built. Major software companies have their offices set