EMC Corporation (stylized as EMC²) is an American multinational corporation headquartered in Hopkinton, Massachusetts, United States. EMC sells data storage, information security, virtualization, analytics, cloud computing and other products and services that enable businesses to store, manage, protect, and analyze data. EMC's target markets include large companies and small- and medium-sized businesses across various vertical markets. The stock was added to the New York Stock Exchange on April 6, 1986, and is also listed on the S&P 500 index.
EMC has over 70,000 employees and is the world’s largest provider of data storage systems by market share, competing against NetApp, IBM, Hewlett Packard Enterprise, and Hitachi Data Systems (arranged in descending order of external data storage market share). Joseph M. Tucci has been EMC's chief executive since January 2001 and chairman of the board of directors since January 2006; he joined the company in 2000 as president and chief operating officer. Tucci is also chairman of the board of VMware Corporation and chairman of the board of Pivotal Software, which are partially owned by EMC. On October 12, 2015, Dell Inc. announced that it would acquire EMC in a cash-and-stock deal valued at $67 billion—the largest-ever acquisition in the technology industry. The merger is expected to end by October 2016, pending negotiations and regulatory approvals.