2. Tata Consultancy Services

Average Requests: 3179

Percentage: 0.98

A subsidiary of the Tata Group of industries, TCS is headquartered in Maharashtra. Tata Consultancy Services was founded in 1968.It is an Indian provider of information technology (IT) services, business solutions and outsourcing services. The TCS BPO is the second leading player in the outsourcing industry in India behind Genpact according to Dataquest survey in August 2011. TCS's BPO arm had revenues of $925 million in the year that ended in March, and 34,000 employees Other than major Indian cities, TCS BPO is also present in Tier-II locations of India.

1. Microsoft

Average Requests: 4109

Percentage: 1.26

Every computer user in the world would know the name Microsoft. It is one of the most successful tech firms and the largest company to produce software in terms of revenue. Microsoft was established to develop and sell BASIC interpreters for the Altair 8800. It rose to dominate the personal computer operating system market with MS-DOS in the mid-1980s, followed by the Microsoft Windows line of operating systems.