New Delhi: Reflecting strong growth of the Indian industry, 20 Indian firms have successfully made it to the list of top 100 outsourcing companies in the world.

The latest '2008 Global Outsourcing 100', compiled by the International Association of Outsourcing Professionals (IAOP) that features 20 Indian firms has five of them - Infosys (ranked 3), TCS (6), Wipro (7), Genpact (9) and Tech Mahindra (10) among the top 10. All five are leading software service providers.

In the list, Accenture is on the top slot and IBM comes second. Companies on the list averaged $1.7 billion in annual sales and engaged 27,000 employees across the world.

Other Indian companies in the list are HCL Technology (11) Mastek (16), WNS Global Services (19), Hexaware (22), ExlService (26), 24/7 Customer (28), Cambridge (36), ITC Infotech (40), KPIT Cummins (42), Patni (46), Zensar (53), MindTree (54), Mphasis (56), Aditya Birla Minacs (62), FirstSource Solutions (73) and VCustomer (84).

According to IAOP, the key strength of Wipro and TCS is their 'employee management' while 'executive leadership' is cited as the strong point of Infosys and Genpact.

On the other hand, 'outsourcing experience' is attributed as the main strength of Tech Mahindra and HCL Technologies.

The power balance in the outsourcing industry is shifting. Global competition in outsourcing is intensifying and that was reflected in this years ranking with companies from 19 countries vying for recognition, IAOP's Managing Director, thought leadership and who head the judges panel, Jagdish Dalal said.

In last year's list, there were five Indian firms in the top 10 - Wipro, Infosys, Genpact, Tech Mahindra and Cambridge.