The Dataquest Top 20 annual industry survey tracks the growth of the IT and BPO industries and ranks the top companies by their revenue.

The Top 20 IT Companies were:

TCS, Wipro, Infosys Technologies, Hewlett-Packard India, Cognizant Technology Solutions, IBM India, HCL Infosystems, HCL Technologies, Ingram Micro India, Redington, Oracle India, Cisco Systems India, Dell India, Intel India, Accenture India, Tech Mahindra, SAP India, MphasiS, Microsoft India, and Patni Computer Systems, the report said.

The Top 20 IT Export Companies were:

TCS, Infosys Technologies, Wipro, Cognizant Technology Solutions, HCL Technologies, IBM India, Accenture India, Tech Mahindra, MphasiS, Oracle India, Patni Computer Systems, Hewlett-Packard India, Capgemini, CSC India, L&T Infotech, Syntel, Aricent, Prithvi Solutions, Polaris Software Lab, and Mindtree Consulting, the report said.

The Top 20 BPO Export Companies were:

Genpact, TCS BPO, Wipro BPO, Aegis BPO, WNS Global Services, Firstsource Solutions, IBM Daksh, Aditya Birla Minacs, Infosys BPO, Accenture India, HCL BPO, Exl Service, Xchanging India, Cognizant BPO, Convergys India, 3i Infotech, Intelenet Global, Hinduja Global Solutions, 24/7 Customer and MphasiS BPO, the report said.

http://dqindia.ciol.com/dqtop20/2010/CompanyRanking/default.asp