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Xerox Corporation is an American global corporation that sells print and digital document solutions, and document technology products in more than 160 countries. Xerox is headquartered in Norwalk, Connecticut though its largest population of employees is based in Rochester, New York, the area in which the company was founded. The company purchased Affiliated Computer Services for $6.4 billion in early 2010.As a large developed company, it is consistently placed on the list of Fortune 500 companies.