EMC (NYSE:EMC) is a world leader in high end data storage solutions and develops, delivers and supports the Information Technology (IT) industry’s infrastructure and virtual infrastructure technologies and solutions. Although historically EMC was more of a data storage company, it has increasingly branched out beyond data storage by acquiring a range of smaller companies and has become one of the largest provider of enterprise software in the world. Product offerings include software encryption and security products (RSA Security, Network Intelligence), content management for internet businesses (ProActivity Software Solutions), and operating system virtualization software (VMWare) markets.
The company operates in two segments: the Information Infrastructure business and the VMware Virtual Infrastructure business (VMware Inc. (VMW)). EMC owns 87% of VMware Inc. (VMW), whose stock went public in August 2007(Read more at Wikinvest )