The establishment of Xerox Corporation (NYSE: XRX) was based on the advent of 'xerography,' a process invented 75 years ago to make copying information on paper easier. Now, the company provides not only document management products and services, but also offers business process services including accounting, HR and marketing. Xerox serves a wide range of industries including energy, manufacturing, transportation, retail, government and health care, with clients in 160 countries. Xerox employs over 140,000 people. (Source: Xerox.com)