#4 IBM:         

At number 4 it’s the ‘Big Blues’, IBM. International Business Machines Corporation, or IBM, is an American multinational technology and consulting corporation, with headquarters in Armonk, New York, United States. IBM manufactures and markets computer hardware and software, and offers infrastructure, hosting and consulting services in areas ranging from mainframe computers to nanotechnology.

The company has undergone several organizational changes since its inception, acquiring companies such as Kenexa (2012) and SPSS (2009) and organizations such as PwC's consulting business (2002), spinning off companies like Lexmark (1991), and selling off product lines like ThinkPad to Lenovo (2005).

With a significant growth of 2.4 percent, IBM has recorded revenue of $953 million in the year 2012, whereas in 2011, their revenue was around $931 million. The company also scored better growth in terms of market shares as it grew shot up by 5 percent.

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